Acid Pops: Wizarding sweets that burn holes in your
tongue. Available at Honeydukes in Hogsmeade.
Aconite: Plant used in potions. Also known as Monkshood or Wolfsbane.
Agrippa: Name of a wizard depicted on a wizard trading card.
Alchemy: Medieval science that was founded on the search to turn any metal into gold.
Alohomora: Door-unlocking spell.
Animagi: Wizards who can turn themselves into animals at will. The singular form is animagus.
Aparecium: Spell to make invisible ink visible. Apparate: To transport oneself instantly to any destination. Apparating is difficult and must not be done without a license from the Department of Magical Transportation. There is a danger of splinching. Aragog: Name of a huge spider that lives in the Forbidden Forest. Arithmancy: Ancient study of the magical properties of numbers. Astronomy: Study of the stars and planets. Aunt Marge: Dudley Dursley's dreadful aunt, sister to Vernon Dursley and no friend of Harry's. Auror: Professional Dark-wizard-catcher. Avada Kedavra: Killing curse. It brings about instant death in a flash of green light. There is no way of blocking it. It is one of the three Unforgivable Curses. Azkaban Prison fortress where wizarding criminals are sent. Guarded day and night by the terrifying Dementors, who drain peace, hope and happiness out of any human who comes too close to them. Bagman, Ludo: Head of the Department of Magical Games and Sports at the Ministry of Magic. A former Quidditch player, he was a Beater on the Wimbourne Wasps team and played for England. He is large and blond, with a round, pink face. Bagshot, Bathilda: Author of A History of Magic. Bane: Name of a centaur in the Forbidden Forest. Basilisk: Snake-like creature whose eyes will turn you to stone. Beater: Quidditch player who tries to knock the Bludgers towards the opposing team. Beauxbatons Academy of Magic: School of witchcraft and wizardry somewhere in Europe. Bell, Katie: Chaser on the Gryffindor Quidditch team. Bertie Botts' Every Flavour Beans: Wizarding jellybeans. Come in every flavour, including spinach, liver, tripe, sprout, curry, grass and even bogey and vomit flavours. Bezoar: Stone taken from the stomach of a goat. A bezoar will counteract the majority of poisons. Binns, Professor: History of Magic teacher at Hogwarts. The only ghost teacher at the school. He fell asleep in front of the fire and forgot to wake up. Black Forest: Place in Germany where Professor Quirrel was rumoured to have encountered vampires. Blast-Ended Skrewt: Cross between a manticore and a fire crab. They have no recognisable head or eyes, but they explode intermittently at one end. Males have a sting like a scorpion and females have suckers on their bellies. Adult Skrewts have thick grey armour and may grow to be ten feet long. Black, Sirius: Escaped prisoner from Azkaban. Blood-flavoured Lollipops: Lollipops for vampires. Bloody Baron: the Resident ghost of Slytherin Tower. Bludgers: Black balls that try to knock players off their brooms in Quidditch. Boggart: Shape-shifter that takes on the likeness of your worst fear. Bouncing Bulb: Plant used in Herbology. Bozo: Photographer for the Daily Prophet. Borgin and Burkes: Dark Arts shop in Knockturn Alley. Broomstick Servicing Kit: Thirteenth birthday present for Harry from Hermione Granger. A black leather case containing a jar of Fleetwood's High-Finish Handle Polish, Tail-Twig Clippers, brass compass and a Handbook of Do-it-Yourself Broomcare.
Brown, Lavender: Hogwarts pupil in the same year as Harry. She is in Gryffindor house and her best friend is Parvati Patil.
Bryce, Frank: Muggle killed by Voldemort. Frank worked as a gardener at Riddle House in the village of Little Hangleton.
Buckbeak: Name of a Hippogriff: a large flying creature that is half bird and half horse.
Bulstrode, Millicent: Hermione Granger's duelling partner in the second year duelling club. Millicent is in Slytherin house, in Harry's year.
Bubble-Head Charm: Magic that enables you to breathe underwater.
Bubotuber: Plant that resembles a black slug with swellings that contain a yellowish green liquid. Bubotuber pus is used to cure acne, but undiluted it causes sores and boils.
Burrow, The: Home of the Weasley family.
Butterbeer: Frothy, buttery drink served in Hogsmeade.
Cadogan, Sir: Knight from a portrait in the North Tower. Temporary guardian of Gryffindor Tower while the Fat Lady was being repaired.
Canary Creams: Trick custard-cream biscuits that turn the eater briefly into a canary. Invented by Fred and George Weasley.
Care of Magical Creatures: Class taken at Hogwarts teaching students how to look after magical creatures.
Centaurs: Half-man, half-horse creatures. Centaurs live in the Forbidden Forest.
Chamber of Secrets: the Concealed room created by Salazar Slytherin wherein he sealed an unknown horror that could only be freed by his true heir to purge the school of those unworthy to study magic.
Chang, Cho: Seeker of the Ravenclaw Quidditch team. A year above Harry.
Charm: Spell that adds properties to an objector person.
Chaser: Quidditch player who tries to score using the Quaffle.
Chocoballs: Wizarding sweets full of strawberry mousse and clotted cream.
Chocolate Frogs: Wizard confectionery that contains collector's cards of famous witches and wizards.
Chudley Cannons: the Ron Weasley's favourite professional Quidditch team. They wear bright orange and black robes and are in ninth in the League at the start of Harry's second year.
Circe: Name of a witch depicted on a wizard trading card.
Cleansweep 7: Type of broomstick used by Fred and George Weasley.
Clearwater, Penelope: Percy Weasley's girlfriend.
Cliodna: Name of a witch depicted on a wizard trading card.
Cockroach Clusters: Wizarding sweets made from cockroaches.
Comet: Type of broomstick flown by Cho Chang.
Common room: Meeting room for each Hogwarts house.
Common Welsh Green: Type of dragon found in Britain.
Cornish Pixies: Naughty little fairies that create havoc.
Crabbe, Vincent: One of Draco Malfoy's stupid henchmen. Thickset and looks very mean. Has a pudding-basin haircut and a very thick neck. He is in Slytherin House.
Creevey, Colin: Admirer of Harry who follows him constantly and is always taking his picture. A year below Harry in Gryffindor house.
Creevey, Dennis: Hogwarts pupil, younger brother of Colin Creevey. Dennis is three years below Harry in Gryffindor house.
Cribbages Wizarding Crackers: Crackers are party favors used in the United Kingdom at Christmastime. Small cardboard tubes are filled with candy and trinkets, then wrapped in brightly colored paper twisted at each end. When two people pull on opposite ends of the paper, the tube bursts open with a crack and the treats inside fall out.
Crouch, Bartemius: Head of the Department of International Magical Co-operation at the Ministry of Magic. He looks like a bank manager, with a toothbrush moustache, and is a great believer in rules.
Crockford, Doris Witch Harry meets in the Leaky Cauldron.
Crookshanks Hermione Granger's pet cat. Ginger with thick and fluffy fur, it is a little bow-legged with a slightly crumpled face.
Crouch, Bartemius, Junior: Son of the above. He was imprisoned in Azkaban as a follower of Voldemort.
Cruciatus curse: Inflicts torture with the command Crucio. One of the three Unforgivable Curses.
Daily Prophet, the: The national wizarding newspaper,.
Dark Mark, the: Sign of the Death Eaters: a skull with a serpent in its mouth.
Davies, Roger: Captain of the Ravenclaw Quidditch team.
Deathday Party: Celebration held by the ghosts at Hogwarts to commemorate the day they died.
Defence Against the Dark Arts: Magic lessons at Hogwarts that teach students how to defend themselves against evil creatures such as werewolves and vampires.
Deflating Draft: Potion that counteracts a swelling solution. Causes swelled body parts to return to normal size.
Death Eaters: The followers of Voldemort. They were summoned by the Dark Mark.
Delacour, Fleur: Pupil at Beauxbatons. Beautiful, with long, silvery blonde hair; her grandmother was a Veela.
Delacour, Gabrielle: Younger sister of Fleur.
Delaney-Podmore, Patrick: Leader of the Headless Hunt.
Dementor: Creature who feeds on the happy emotions of humans. Dementors are employed as guards at Azkaban. The kiss of a Dementor will suck out a human's soul, leaving an emotionless shell.
Deletrius: Spell to make something disintegrate.
Dervish and Banges: Wizarding equipment shop in Hogsmeade.
Densaugeo: Spell causing teeth to grow.
Diagon Alley: A long cobbled street filled with the most fascinating wizarding shops in the world. Accessible through the Leaky Cauldron pub in London.
Diffindo: Spell to make something split.
Diggle, Dedalus: Wizard Harry met in the Leaky Cauldron. He also once bowed to Harry in a shop.
Diggory, Amos: Father of Cedric. He is tall and has a brown beard.
Diggory, Cedric: Seeker of the Hufflepuff Quidditch team.
Disapparate: To disappear at will.
Dissendium: Spell that opens entrance to secret passage to Hogsmeade.
Divination: Magical art of telling the future using tea-leaves, crystal balls and so forth. Professor Trelawny is Divination teacher at Hogwarts.
Dobby: Name of a House-Elf who idolises Harry but gets him into lots of trouble.
Dr Filibuster's Fabulous No-Heat Wet-Start Fireworks: Wizarding fireworks and one of Fred and George Weasley's favourite jokes. They fill the room with red and gold stars that last for about half an hour.
Draco Dormiens Nunquam Titillandus: The Hogwarts motto. It means "Never tickle a sleeping dragon."
Dragon: Mythical reptilian creature who can fly and breathe fire. Hagrid is particularly fond of dragons and has a Norwegian Ridgeback called Norbert for a while.
Draught of Living Death, the: Powerful sleeping draught.
Drooble's Best Blowing Gum Wizarding sweet: Fills the room with blue bubbles that last for about half an hour.
Duelling Club: Club started by Professor Lockhart to teach students how to duel with spells.
Dungbomb: Stinkbomb
Dumbledore, Albus Headmaster of Hogwarts: Dumbledore is widely regarded as the finest wizard of his generation and was the only person that Voldemort was frightened of. He is tall, thin and very old and has very long, silver hair and beard. He has blue eyes and wears half-moon spectacles and a long, purple cloak that sweeps to the ground. Dumbledore was an old English word for bumblebee.
Durmstrang Institute: School of witchcraft and wizardry somewhere in the far north of Europe. It is smaller than Hogwarts but has more extensive grounds.
Dursley, Dudley: Harry's horrible non-magic cousin.Dudley is fat, blond and rather stupid, but that doesn't stop him trying to bully Harry whenever he can.
Eeylops Owl Emporium: Owl shop in Diagon Alley where Harry bought Hedwig.
Elixir of Life, the: Potion produced by the Philosopher's Stone that will make the drinker immortal.
Enervate Reviving spell: In non-magic usage 'enervate' means to make someone weaker.
Engorgio: Swelling charm.
Errol: Name of the Weasley family owl.
Expecto patronum: Spell to guard against the Dementors.
Expelliarmus: Disarming spell.
Exploding Bonbons: Wizarding sweets available from Honeydukes in Hogsmeade.
Exploding Snap: Card game.
Fang: Name of Hagrid's boarhound.
Fat Friar, the: Resident ghost of Hufflepuff Tower.
Fat Lady, the: The subject of the portrait guarding the entrance to Gryffindor Tower.
Fawkes: Name of Albus Dumbledore's pet phoenix.
Ferula: Spell to conjure a sling for a broken limb.
Fidelius Charm: A charm that conceals a secret within a person (Secret-Keeper) so that no one will know about it unless the Secret-Keeper chooses to divulge it.
Filch, Argos: Caretaker at Hogwarts and failed wizard. Filch hates students and especially does not like Harry or his friends. Filch has a cat called Mrs Norris.
Figg, Mrs.: Elderly Muggle who used to baby-sit for Harry. She keeps cats.
Finch-Fletchley, Justin: Hogwarts pupil in the same year as Harry. Justin is in Hufflepuff house.
Finnigan, Seamus: Hogwarts pupil in the same year as Harry. Seamus is in Gryffindor house. His best friend is Dean Thomas.
Firebolt: Fastest, most technologically advanced broomstick. Can accelerate from 0-150 miles per hour in ten seconds.
Firenze: Name of a centaur living in the Forbidden Forest.
Fizzing Whizbees: Wizarding sweets. Sherbet balls that make you levitate several feet in the air when you eat them.
Flamel, Nicholas: Albus Dumbledore's partner and the holder of the only known Philosopher's Stone in existence.
Flint, Marcus: Captain of the Slytherin Quidditch team.
Flitwick, Professor: Charms teacher at Hogwarts. Tiny little wizard who has to stand on piles of books to see over his desk.
Flobberworm: Species of worm that Harry and his friends have to keep alive to pass the Care of Magical Creatures course.
Floo powder: Glittering powder used for traveling by magical people. Throw it into the fireplace, say the name of your destination and step into the flames.
Florean Fortesque's Ice-Cream Parlour: Wizarding ice-cream shop on Diagon Alley.
Flourish and Blotts: Diagon Alley wizarding bookshop.
Flutterby Bush: Plant used in Herbology.
Foe-Glass: Magic mirror in which you can see your enemies.
Forbidden Forest, the: The dark woods surrounding the Hogwarts grounds. Students are not allowed to go there unless accompanied by a teacher.
Ford Anglia: Make of Mr Weasley's bewitched car.
Four-Point Spell: Say Point me to make your wand function as a compass.
Fudge Flies: Wizarding sweets.
Fudge, Cornelius: Minister for Magic.
Furnunculus: Curse that causes boils.
Galleon: Gold wizarding money. There is currently no exchange rate for galleons to pound, dollar or euro.
Gambol and Japes: Wizarding joke shop on Diagon Alley.
Ghoul: Ghostly creature that lives in the attic and bangs on pipes. The Weasleys have one living in their attic.
Giant: Huge humanoid. Giants can grow to a height of 20 feet. They have a history of violence and warring among themselves. Many giants allied themselves with Voldemort and massacred Muggles. Others withdrew to remote mountain ranges. Their numbers are in decline and in Britain they are believed to be extinct.
Gillyweed: Water plant. If you eat it, you temporarily grow gills and fins.
Gnomes: Very small creatures with leathery skin and large, bald heads like knobbly potatoes. They have horny feet and razor-sharp teeth. They live in holes in gardens and aren't very bright. To de-gnome a garden, grab the gnome by the ankles, swing it round your head and throw!
Goblet of Fire: Wooden cup full of flames, used as an impartial selector for the contenders in the Triwizard Tournament.
Goblins: Small creatures with swarthy faces, pointed beards and very long hands and feet. Goblins staff Gringotts Bank.
Gobstones: The wizarding version of marbles. The pieces squirt a stinky substance into other players' faces when they lose a point.
Godric's Hollow: Home where Harry's parents, Lily and James Potter, lived.
Golden Snitch: Small, golden ball with silver wings used in Quidditch. Must be caught by a Seeker to end the match.
Goshawk, Miranda: Author of The Standard Book of Spells.
Goyle, Gregory: One of Draco Malfoy's stupid henchmen. Thickset and looks mean. Has short, bristly hair and long, gorilla-like arms. Also in Slytherin house.
Granger, Hermione: Smart know-it-all at Hogwarts in Gryffindor house. She has bushy, brown hair, large front teeth and a loud, rather bossy voice. Hermione works very hard and always gets the best marks in her exams. Harry's next best friend after Ron Weasley. Her parents are Muggle dentists.
Great Hall, the: The main hall in Hogwarts where Sorting takes place and where meals are served and meetings take place. The ceiling is bewitched to look like the sky outside.
Gregory the Smarmy: Statue at Hogwarts.
Grey Lady, the: Resident ghost of Ravenclaw Tower.
Grim: A giant black dog taken to be a death omen.
Grindylow: Water demon. Sickly green with sharp horns and very long fingers.
Gringotts: The wizard bank in London, with vaults far below the streets, run by goblins.
Griphook: Goblin at Gringotts Bank.
Grubbly-Plank, Professor: Supply teacher. She taught Care of Magical Creatures when Hagrid was indisposed. An elderly witch with cropped grey hair and a prominent chin.
Grunnings: Firm where Harry's uncle Vernon Dursley is a director. Grunnings make drills.
Grunnion, Alberic: Name of a wizard depicted on a wizard trading card.
Gryffindor house: One of the four houses in Hogwarts. Harry, Hermione Granger and the Weasleys are all in Gryffindor house. It was founded by Godric Gryffindorand the Gryffindor symbol is a lion. The resident ghost is Sir Nicholas de Mimsy-Porpington, also known as Nearly Headless Nick. Professor McGonagal is head of Gryffindor house and Professor Dumbledore was in Gryffindor in his youth.
Gryffindor, Godric: One of the four founders of Hogwarts. Gryffindor house was named after him.
Hagrid, Rubeus: Keeper of Keys and Grounds and teacher of Care of Magical Creatures class at Hogwarts from Harry's third year. He was a student at Hogwarts but was expelled for unknown reasons. Professor Dumbledore allowed Hagrid to stay as gamekeeper. Hagrid is almost twice a tall as any other person and seems five times as wide. He has masses of bushy, black hair and a huge tangled beard. Has a liking for strange and dangerous creatures – especially dragons.
Hand of Glory: Withered hand on a cushion that gives light to the person holding it when a candle is inserted.
Headless Hunt, the: Team of ghosts whose heads have been completely cut off. Activities include Horseback Head-Juggling and Head Polo. Nearly Headless Nick is keen to join the hunt but can't because his head has not been completely severed.
Hebridean Black: A breed of wild Dragon found in Britain.
Hedwig: Harry's owl and mail courier. Harry bought Hedwig from Eeylops Owl Emporium. Wizards use owls to deliver mail. Hedwig was also the name of a medieval saint.
Heir of Slytherin: True heir to Salazar Slytherin who can open the Chamber of Secrets to release the horror within.
Hengist of Woodcroft: Name of a Wizard depicted on a wizard trading card.
Herbology: Study of plants. Professor Sprout is the Herbology teacher at Hogwarts.
Hermes: Name of Percy Weasley's owl.
He Who Must Not Be Named: The evil Lord Voldemort, Dark Wizard. Also referred to as 'You-Know-Who'.
Higgs, Terence: Seeker on the Slytherin Quidditch team in Harry's first year.
Hinkypunk: Small creatures that live in bogs and swamps, they wander about at night with a lantern to lure lost travellers into the swamps.
Hippogriff: Magical creature that has the front legs, wings and head of an eagle, and the body, hind legs and tail of a horse. Buckbeak is a Hippogriff.
Hit Wizards: Wizard police from the Magical Law Enforcement Squad who are specially trained to deal with powerful criminals.
Hog's Head: the Pub where Hagrid once won a dragon's egg.
Hogsmeade: The only completely magical village in Britain. Hogsmeade is not far from Hogwarts and has an array of wonderful shops including Honeydukes sweet shop, the Three Broomsticks pub and Zonko's joke shop.
Hogwarts School of Witchcraft and Wizardry: The best school of its kind in the world. The greatest witches and wizards of the age founded Hogwarts more than a thousand years ago: Godric Gryffindor, Helga Hufflepuff, Rowena Ravenclaw and Salazar Slytherin. They built a remote castle, far away so that witches and wizards could train in safety. Pupils attend from age eleven for seven years of rigorous training in the art of witchcraft and wizardry. There are a hundred and forty-two staircases at Hogwarts and everything keeps moving around, so things are not always in the same place. Hogwarts is in a secret location somewhere in the North.
Honeydukes: Wizarding sweet shop in Hogsmeade.
Hooch, Madam Broomstick and flying teacher at Hogwarts.
House Cup, the Trophy awarded to the Hogwarts house with the most points at the end of the year.
House-elf: Small creature that works as a servant in some wizarding houses. A house-elf can only be set free when the master gives the elf a piece of clothing.
Howler: Wizarding letter which, when opened, shrieks and howls at the reader in an extremely loud voice. Comes in a red envelope and is usually sent by someone who is very angry. Ron Weasley received one from his mother after crashing the Ford Anglia into the Whomping Willow .
Hufflepuff house: One of the four houses in Hogwarts. It was founded by Helga Hufflepuff and the Hufflepuff symbol is a badger. The resident ghost is the Fat Friar.
Hufflepuff, Helga: One of the four founders of Hogwarts. Hufflepuff house is named after her.
Ice Mice: Wizarding sweets available from Honeydukes in Hogsmeade. Make your teeth squeak and chatter.
Impediment Jinx: Spell to slow down and obstruct attackers. Say Impedimenta!
Imperius curse: Spell to control another person completely, using the command Imperio. One of the three Unforgivable Curses. It can be resisted with great mental effort.
Incendio: Fire-lighting spell.
Invisibility Cloak: Magic cloak granting the wearer invisibility.
Jelly-Legs Jinx: Makes your adversary's legs wobbly.
Jelly Slugs: Wizarding sweets available from Honeydukes in Hogsmeade.
Jigger, Arsenius: Author of Magical Drafts and Potions.
Johnson, Angelina: Hogwarts student. Chaser on the Gryffindor Quidditch team. She is a tall black girl.
Jordan, Lee: Pupil at Hogwarts. Has dreadlocks and is famed for his commentaries at Quidditch matches. Lee is in Gryffindor house, in the same year as Fred and George Weasley.
Jorkins, Bertha: Witch employed by the Ministry of Magic. She was abducted in Albania and suffered a terrible fate.
Kappa: Monkey-like creatures that live in water and strangle people who invade their territory.
Karkaroff, Igor: Headmaster of the Durmstrang Institute. Knows a lot about the Dark Arts. He is tall and thin with white hair and a goatee.
Keeper: Quidditch player who guards the goalposts.
Kettleburn, Professor: Care of Magical Creatures teacher at Hogwarts. Retired at the end of Harry's second year.
King's Cross Station: The station in London where the Hogwarts Express leaves from platform nine and three-quarters.
Knight Bus: the Emergency bus that transports witches and wizards to any destination. Stick out your wand hand to stop the bus. Has no seats, only brass bedsteads.
Knockturn Alley: Street of wizard shops devoted totally to the Dark Arts. Shops include Borgin and Burkes.
Knut: Bronze wizarding money. Twenty-nine Knuts to a Sickle.
Krum, Viktor: Seeker for the Bulgarian national Quidditch team. Pupil at the Durmstrang Institute. Dark, with a large curved nose and thick eyebrows; walks duck-footed! and round-shouldered but is in his element on a broomstick.
Kwikspell Correspondence: course in beginner's magic for Squibs (magicians who have little magical powers).
Leaky Cauldron: the The wizarding pub and boarding house through which witches and wizards gain access to Diagon Alley.
Leprechaun: Irish elf or pixie. Small and able to fly.
Lockhart, Gilderoy: Teacher of Defence Against the Dark Arts in Harry's second year. Author of self-glorifying autobiographies and five times winner of Witch Weekly's Most-Charming-Smile Award.
Longbottom, Neville: Forgetful and rather clumsy friend of Harry's. Neville has a round face and thinks he is not very good at magic. He comes from a magical family but was a late starter. In Gyffindor house, in Harry's year.
Lumos: Spell to light your wand.
Lynch, Aidan: Seeker for the Irish national Quidditch team.
Macmillan, Ernie: Hogwarts pupil in the same year as Harry, in Hufflepuff house.
Macnair, Walden: Executioner for the Ministry of Magic. A former Death Eater.
Madam Malkin's: Shop in Diagon Alley selling wizarding robes for all occasions.
Magical Law Enforcement Squad: Wizard police or Hit Wizards who are specially trained to deal with powerful criminals.
Magical Menagerie: Wizarding pet shop in Diagon Alley.
Malfoy, Draco: Harry's arch-enemy at Hogwarts. A thin boy with a pale, pointed face and a sneering expression. He has a bored, drawling voice and looks with contempt upon everyone else. Malfoy believes himself to be superior to Harry and hates Harry and all his friends. Malfoy is in Slytherin house.
Malfoy, Lucius: Draco Malfoy's father. Former supporter of You-Know-Who.
Malfoy, Narcissa: Mother of Draco and wife of Lucius
Malfoy. A tall, slim, snooty blonde.
Mandragora: Another word for Mandrake.
Mandrake: Powerful restorative used to return cursed or transfigured people to their natural state. The cry of the Mandrake is fatal to anyone who hears it. Also known as Mandragora.
Marauder's Map: A map that shows all the secret passageways and the whereabouts of everyone in Hogwarts. Harry and Ron use it to get to Hogsmeade.
Maxime, Olympe: Head of Beauxbatons Academy. Because of her size, Madame Maxime is believed to be half giant. She has black eyes and olive skin.
McGonagall, Professor: Minerva Deputy Headmistress of Hogwarts. She is a rather serious-looking woman, with jet-black hair scraped into a tight bun on her head. She wears square glasses and an emerald- green cloak. Professor McGonagall is Head of Gryffindor house and is Transfiguration teacher.
Merlin: Name of a wizard depicted on a wizard trading card.
Merpeople: Underwater dwellers who build cities at the bottom of lakes. They have fishtails, green hair and grey skin, and they fish with spears. Above water their voices are unintelligible.
Midgeon, Eloise: Hogwarts pupil who accidentally removed her nose when trying to cure her acne.
Mimsy-Porpington, Sir Nicholas de: Resident ghost of Gryffindor Tower. Also known as Nearly Headless Nick.
Ministry of Magic: Government agency that tries to keep witches and wizards secret from non-magical people.
Mirror of Erised: Magical mirror that shows the onlooker their heart's desire.
Moaning Myrtle: Ghost girl at Hogwarts who hides in an S-bend in the first-floor girls' toilets.
Mobilarbus: Spell to move objects.
Mobilicorpus: Spell to move someone who can't walk.
Monkshood: Plant used in potions. Also known as aconite or wolfsbane.
Monster Book of Monsters: Large green book of monsters. Required reading for third years. Must be stroked down the spine or it will bite your fingers.
Moody, Alastor: Retired Auror hired to teach Defence Against the Dark Arts in Harry's fourth year. Known as Mad-Eye Moody since he lost an eye in the fight against Voldemort and his supporters, and replaced it with a magical eye. Badly scarred and has a wooden leg.
Moony Professor: Lupin's nickname at Hogwarts.
Morgana: Name of a witch depicted on a wizard trading card
Morsmordre: Spell to conjure up the Dark Mark.
Mostafa, Hassan: Chairwizard of the International Association of Quidditch. He is Egyptian, small and bald with a huge moustache.
Mudblood: Term used to describe a person of non-magic parents. Considered a great insult.
Muggle: Person totally without magical powers. Muggles live in ignorance of the world of wizards and witches.
Muggle Studies Class taken by wizarding folk to study non-magical people.
Nagini: Name of a very large, venomous snake kept by Voldemort.
N.E.W.Ts: Nastily Exhausting Wizarding Tests. Higher-level examinations at Hogwarts.
Nearly Headless Nick: Resident ghost of Gryffindor Tower. So called because his beheading was not completely successful. Full name is Sir Nicholas de Mimsy-Porpington.
Niffler: Magical creature that can find buried treasure. Nifflers are black and fluffy with long snouts and spadelike feet.
Nimbus 2000: Type of broomstick. Harry's first broomstick.
Nimbus 2001: The successor to the Nimbus 2000 broomstick...
Norbert: Name of Hagrid's Norwegian Ridgeback dragon.
Norris, Mrs.: Name of Filch's cat. She is a scrawny-looking, dust-coloured cat with bulging eyes. Students must be wary not to break rules in front of her for she will run to Filch and report them.
Norwegian Ridgeback: Breed of dragon that is very rare. Hagrid had one as a pet for a while.
Nox: Spell to extinguish light on your wand.
O.W.Ls: Ordinary Wizarding Levels. The standard-level examinations at Hogwarts.
Obliviate: Memory spell that makes the subject forget.
Obliviator: Member of an Accidental Magic Reversal Squad. They work for the Improper Use of Magic Office.
Ollivanders: Diagon Alley wand shop. 'Makers of Fine Wands since 382 bc'.
Omnioculars: Binoculars with slow-motion and replay settings.
Padfoot: Sirius Black's nickname at Hogwarts.
Paracelsus: Name of wizard depicted on a wizard trading card
Parkinson, Pansy: Hogwarts pupil in the same year as Harry, in Slytherin house. She has a pug-like face.
Parselmouth: Wizard who can talk to snakes - very rare. Thought to be the sign of a Dark wizard.
Parseltongue: Language spoken by a Parselmouth
Patil, Padma: Hogwarts pupil in the same year as Harry, in Ravenclaw house. Twin sister of Parvati Patil.
Patil, Parvati: Hogwarts pupil in the same year as Harry, in Gryffindor house. Twin sister of Padma Patil and best friend of Lavender Brown.
Patronus: Positive force which acts as protection from a Dementor. It is conjured up by the incantation 'Expecto patronum'.
Peeves: Hogwarts' resident poltergeist. Tries to get students in trouble and loves causing havoc at any opportunity.
Pensieve: Storage device for thoughts and memories. It looks like a stone basin holding a silvery liquid.
Pepper Imps: Wizarding sweets available from Honeydukes in Hogsmeade. Make you smoke at the mouth.
Peppermint Toads: Toad-shaped peppermint sweets that hop about in the stomach after they've been eaten.
Pepper-Up Potion: Magical restorative.
Petrificus Totalus: Spell to bind arms and legs together
Pettigrew, Peter: Friend of James Potter , Harry's father, while at Hogwarts.
Philosopher's Stone: Legendary stone which will transform any metal into pure gold. It also produces the Elixir of Life , which will make the drinker immortal. The only known stone belongs to Nicholas Flamel,Albus Dumbledore's partner.
Phoenix: Rare bird that bursts into flames and rises from its ashes. Their tears can heal wounds. Albus Dumbledore has a pet phoenix, Fawkes.
Pince, Madam: Librarian at Hogwarts.
Pigwidgeon: Name of a young grey owl belonging to Ron Weasley. Often called Pig for short.
Platform nine and three-quarters: The platform at King's Cross Station where students gather to board the Hogwarts Express.
Pocket Sneakoscope: Small wizarding toy - a spinning glass top that lights up when there is somebody or something suspicious around.
Polyjuice potion: Potion that will turn the drinker into another person for one hour.
Pomfrey, Madam: Poppy Matron at Hogwarts.
Portkey: Object that transports wizards to a prearranged place. As soon as you touch the Portkey, you are whisked to the destination. Any object can be turned into a Portkey.
Potions: Class at Hogwarts to learn how to make potions. Professor Snape is Potions master at Hogwarts.
Potter, Harry: Student at Hogwarts. Famous for having survived an attack by Lord Voldemort in infancy.
Potter, James: Harry's father.
Potter, Lily: Harry's mother, born to muggles but married a wizard. Lily is the sister of Petunia Dursley who is decidedly un-wizardly.
Prior Incantato: Command that reveals the most recent spell or spells a wand has performed.
Privet Drive: The street where Harry lives with the Dursleys.
Prongs: James Potter's nickname at Hogwarts.
Ptolemy: Name of a wizard depicted on a wizard trading card.
Pumpkin juice: Wizarding drink.
Pumpkin pasty: Wizarding food.
Put-Outer: Device resembling cigarette lighter, used to turn street-lamps on and off. Used by Albus Dumbledore.
Quaffle: Red ball used for scoring in Quidditch.
Quality Quidditch Supplies: Quidditch shop in Diagon Alley.
Quick-Quotes: Quill Pen that writes tabloid journalism by itself.
Quidditch: The wizarding national sport. Played on broomsticks by seven players: three Chasers, one Keeper, two Beaters, one Seeker. Played with four balls: the Quaffle (red) is used for scoring; two Bludgers (black) which try to knock players off their brooms; One Golden Snitch (bright gold with silver wings). The Chasers throw the Quaffle to each other and try to score by throwing the Quaffle through one of the six hoops. Ten points every time a player scores. The Keeper guards the goalposts and tries to prevent the Chasers from scoring. The Beaters try to keep the Bludgers away from their team and knock them towards the opposing team. The Seeker tries to catch the Golden Snitch. Whichever team catches the Golden Snitch earns 150 points. The game ends when the Snitch is caught.
Quietus: Command that reverses the charm Sonorus.
Quirrell, Professor: Defence Against the Dark Arts teacher at Hogwarts in Harry's first year.
Ravenclaw House: One of the four school houses in Hogwarts. Founded by Rowena Ravenclaw. The Ravenclaw symbol is an eagle. The resident ghost is the Grey Lady.
Ravenclaw, Rowena: One of the four founders of Hogwarts. Ravenclaw house was named after her.
Red Cap Goblin: creature found in places where bloodshed has occurred. They lie in wait to bludgeon the lost.
Reducio: Shrinking charm.
Reductor: curse Say Reducto to blast apart a solid object.
Relashio: Spell to make someone let go of something.
Remembrall: Magical glass ball, the size of a large marble, filled with white smoke. The smoke turns red to tell you that there is something you have forgotten to do.
Reparo: Repairing charm.
Rictusempra: Tickling spell.
Riddickulus: Spell to make a Boggart take on another appearance.
Riddle House: Deserted former home of Voldemort's father, in the village of Little Hangleton.
Riddle, Tom Marvolo: The young Lord Voldemort, who attended Hogwarts.
Ripper: Aunt Marge's dog.
Ronon: Name of a centaur in the Forbidden Forest.
Rosmerta, Madam: Publican of the Three Broomsticks pub in Hogsmeade.
Scabbers: Ron Weasley's pet rat. He once belonged to Ron's older brother Percy Weasley.
Scamader, Newt: Author of Fantastic Beasts and Where to Find Them.
Secrecy Sensor: Aerial that vibrates when it detects concealment and lies.
Seeker: Quidditch player who tries to catch the Golden Snitch.
Self-shuffling Playing Cards: Wizarding playing cards which shuffle themselves.
Shield Charm: Casts a temporary invisible wall around you to deflect minor curses.
Shrieking Shack: Supposed to be the most haunted building in Britain. Situated in the town of Hogsmeade.
Shunpike, Stan: Conductor on the Knight Bus.
Sickle: Silver wizarding money. Seventeen Sickles to a Galleon.
Sinistra, Professor: Teacher of Astronomy at Hogwarts.
Skeeter, Rita: Journalist. She is nosy and malicious, and has stiff blond curls.
Skele-Gro Potion used to re-grow bones after they have been removed.
Sleekeazy's Hair Potion: Tames bushy hair.
Slytherin House: One of the school houses in Hogwarts. Founded by Salazar Slytherin. The Slytherin symbol is a snake. The resident ghost is the Bloody Baron. Harry's arch-enemy, Draco Malfoy, is in Slytherin. Professor Snape is head of Slytherin house.
Slytherin, Salazar: One of the four founders of Hogwarts. Slytherin house is named after him. Created the Chamber of Secrets.
Smeltings: Dudley Dursley's private school. Uncle Vernon also attended.
Snape, Severus: Potions master at Hogwarts. He is tall and thin with sallow skin, greasy black hair and a hooked nose. He hates Harry Potter. Head of Slytherin house.
Sneakoscope Glass: spinning top that lights up and spins when there is someone untrustworthy around.
Society for the Promotion of Elfish Welfare: Pressure group organised by Hermione in her fourth year at Hogwarts. You must not call it Spew.
Sonorus Charm: to magnify one's voice.
Sorting Hat: The hat that decides which house students shall be in while at Hogwarts.
Spellotape: Wizarding repair tape. It was used by Ron Weasley to mend his broken wand.
Spinnet, Alicia: One of the Chasers on the Gryffindor Quidditch team. She is two years above Harry at Hogwarts.
Splinching: Injury caused by careless Apparating: part of the Apparating person's body is left behind.
Spore, Phyllida: Author of One Thousand Magical Herbs.
Sprout, Professor: Herbology lecturer at Hogwarts. Uses Mandrakes to cure petrified creatures.
Squib: Someone born to mixed magic and non-magic parents. Some Truebloods consider Squibs to be inferior.
Stupefy: Stunning spell.
Swelling Solution Potion: that causes body parts to swell to enormous proportions.
Switch, Emeric: Author of A Beginner's Guide to Transfiguration.
Tarantallegra: Dancing spell.
Three Broomsticks: the Pub in Hogsmeade.
Thomas, Dean: Hogwarts pupil in the same year as Harry, in Gryffindor house. His best friend is Seamus Finnigan. Dean comes from a Muggle background.
Time-Turner: Hour-glass that allows the wearer to travel back in time.
Ton-Tongue Toffee Trick: sweet that causes the tongue to swell. Invented by Fred and George Weasley.
Toothflossing Stringmints: Wizarding sweets that floss your teeth while you suck them.
Transfiguration: The art of turning one thing into another.
Transfiguration Today: Specialist wizarding magazine about Transfiguration.
Trelawny, Professor Sybil: Divination teacher at Hogwarts. Has a liking for (wrongly) predicting student deaths every year at Hogwarts. She is very thin with large glasses that magnify her eyes so much that she looks like a giant insect.
Trevor: Name of Neville Longbottom's pet toad.
Trimble, Quentin: Author of The Dark Forces: A Guide to Self-Protection.
Triwizard Tournament Competition: between the three largest European schools of witchcraft and wizardry: Hogwarts, Beauxbatons and Durmstrang. Each school selects a champion, and the champions compete in three magical tasks. The prize money is 1000 Galleons. The Triwizard Tournament was first established some 700 years ago.
Trueblood: Someone born to pure magical parents.
Unforgivable Curses: The three Unforgivable Curses are Avada Kedavra, the Imperius curse and the Cruciatus curse.
Unicorn: Mythical white horse-like creature with golden mane and a golden horn sprouting from the head. Innocent, beautiful creatures. Tail hair and horn can be used in magic. Dark wizards have been known to kill unicorns and drink their blood; this will sustain the life of the drinker but at a grave price.
Unspeakable: Employee of the Department of Mysteries. No one knows what they do.
Vablatsky, Cassandra: Author of Unfogging the Future, a guide to basic fortune-telling methods.
Vampire: Evil creature that roams the night feeding on the blood of living beings. Cannot go out in the daylight.
Vector, Professor: Arithmancy teacher at Hogwarts .
Veela: Beautiful women with white-gold hair. Men are hypnotically fascinated by them. When enraged, Veela grow beaks and scaly wings.
Veritaserum: Powerful Truth Potion. Its use is restricted by the Ministry of Magic.
Vindictus, Viridian: Author of Curse and Countercurse (Bewitch Your Friends and Befuddle Your Enemies with the Latest Revenges: Hair Loss, Jelly-Legs, Tongue-Tying and Much, Much More).
Violet: Name of a wizened witch, a friend of the Fat Lady. Violet lives in a painting in a room next to the Great Hall in Hogwarts.
Voldemort, Lord: Evil Wizard greatly feared by wizarding folk. His dark reputation is such that his name is hardly ever spoken out loud. Most wizards will only refer to him as He Who Must Not Be Named or You-Know-Who. Disappeared from view after the death of James and Lily Potter following a battle that left Harry an orphan and bearing a lightning scar on his forehead.
Waffling, Adalbert: Author of Magical Theory.
Wand: Implement used by wizards for magic. Available from Ollivanders in Diagon Alley.
Weasley, Arthur: Ron Weasley's father. Head of the Misuse of Muggle Artefacts Office at the Ministry of Magic.
Weasley, Bill: Ron Weasley's brother. Works for Gringotts Bank in Africa.
Weasley, Charlie: Ron Weasley's brother. Studying dragons in Romania.
Weasley, Fred: One of Ron Weasley's older brothers. Twin to George. In Gryffindor house.
Weasley, George: One of Ron Weasley's older brothers. Twin to Fred. In Gryffindor house.
Weasley, Ginny: Ron Weasley's younger sister. Idolises Harry. In Gryffindor house.
Weasley, Molly: Ron Weasley's mother.
Weasley, Percy: Ron's older brother. Thinks he is terribly grown-up and important. A prefect at Hogwarts. In Gryffindor house.
Weasley, Ron: Harry's best friend at Hogwarts. Ron has flaming red hair and freckles, like all his brothers. Has a pet rat called Scabbers. In Gryffindor house.
Weird Sisters: A popular music group. The line-up includes guitars, drums, lute, cello and bagpipes.
Werewolf: Half-man, half-wolf creature. A werewolf will kill given the chance. If not fatal, the werewolf's bite will turn the victim into a werewolf too.
Which Broomstick?: Broomstick consumer magazine. Test-rides all makes of broom and reviews them.
Whomping Willow: Large tree in the grounds of Hogwarts that hits anything that comes too close.
Winky: Name of a house-elf.
Wingardium Leviosa: Spell to make things fly.
Wolfsbane: Plant used in potions. Also known as monkshood or aconite.
Wood, Oliver: Captain and Keeper of the Gryffindor Quidditch team until leaving school at the end of Harry's third year.
Wormtail: Nickname of Peter Pettigrew.
WWN: The Wizarding Wireless Network.
You-Know-Who: The evil Lord Voldemort, a Dark wizard who killed Harry's parents. Also referred to as He Who Must Not Be Named.
Zonko's: Wizard joke shop in Hogsmeade.
Accio: Summoning spell.
