Tiscali - Harry Potter and the Chamber of Secrets

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.