Welcome to the Pern Dragondex "W" terms!
Watch-weyr=A nocturnal reptile distantly related to dragonkind.
Weyr=A home for dragons and riders.
weyr=A dragon's den
Weyrsinger=A harper for dragonriders, usually a dragonrider himself
Wherries=A type of fowl, roughly resembeling the domestic Turkey of Earth, but about the size of an Ostrich.
Withies= Water plants resembelling the reeds of Earth