SPELLS DICTIONARY-T
Makes victim's legs dance uncontrollably (possibly the tarantella dance). Malfoy uses it in the duelling club in CoS. A Death Eater also places the spell upon Neville Longbottom in OotP.
A siphoning spell. Hermione Granger uses this spell in Harry Potter and the Half-Blood Prince to siphon blood from Harry's face, and it's later used to siphon ink, leading the reader to the conclusion it can siphon any liquid. In Latin, "tergere" means "to clean" or "to wipe off/wipe dry."
