Tiscali - Harry Potter and the Chamber of Secrets

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.