From Animagi to Zonko's: The Harry Potter Glossary
Apparate: A wizard's ability to teleport himself from one location to another. Apparition requires a license from the Department of Magical Transportation that cannot be obtained until a wizard is 17 years old.
Azkaban: Considered the worst of all wizarding prisons. Under the watch of Dementors, most prisoners eventually go insane and die a slow death.
Basilisk: A giant serpent bred by wizards who dabble in the Dark Arts.
Bernie Bott's Every Flavour Beans: Much like Muggles' Jelly Belly jelly beans, these candies come in many unusual flavors. Unlike the Muggle candies, however, some of the flavors are disgusting. Flavors range from chocolate and peppermint to liver and vomit.
Butterbeer: A popular beverage served in Hogsmeade and said to taste a bit like butterscotch. Despite the name, the alcohol content is very low.
Centaur: A magical creature with the head and torso of a man, but the body and legs of a horse. Centaurs reside in the Forbidden Forest.
Daily Prophet, The: The most respected newspaper in the wizarding world.
Death Eaters: Supporters of Voldemort who believe in a society of pure-blooded wizards only and who employ Dark Arts to achieve that aim.
Defense Against the Dark Arts: A course at Hogwarts school that teaches students to defend themselves against evil creatures and Dark Arts.
Dementors: Guards at Azkaban prison who are also employed to protect Hogwarts in states of emergency. Dementors drain wizards of happiness and hope and thrive in despair. The dreaded Dementor's Kiss will suck out a human's soul, leaving an empty shell.
Forbidden Forest, The: The dark woods that border Hogwarts. Home to centaurs, unicorns and hippogriffs. Off-limits to students without supervision.
Gryffindor House: One of the four houses in Hogwarts. Students in Gryffindor are characterized by bravery, daring, nerve and chivalry.
Hippogriff: A magical creature that is half eagle (head, front legs and arms) and half horse (body, hind legs and tail).
Hogsmeade: A magical, all-wizarding village filled with restaurants and shops. Hogwarts students who are in their third year and above and have received a guardian's permission are allowed to visit.
Hogwarts School of Witchcraft and Wizardry: A seven-year school for young witches and wizards hidden from the Muggle world by the most powerful spells in existence.
Horcrux: An object in which a wizard can hide a piece of his soul in hopes of achieving immortality. Making a Horcrux is the darkest art, as it requires acts of violence and evil in order to succeed. Splitting one's soul in order to create a Horcrux is against wizarding law.
House-elf: A magical creature with bat-like ears and bulging eyes the size of tennis balls. House-elves work as dedicated servants to one master or to wizarding houses at Hogwarts. A house-elf can only be set free when its master gives it a piece of clothing.
Hufflepuff: One of the four houses in Hogwarts. Students in Hufflepuff are characterized by patience, loyalty and fair play.
King's Cross Station: The train station in London from which the Hogwarts Express departs. Students boarding the train leave from Platform Nine and Three-Quarters.
Ministry of Magic: The British wizarding community's governing body. The ministry, headed by the Minister of Magic, keeps the wizarding world secret from Muggles.
Mudblood: Derogatory term used to describe someone born to nonmagical parents.
Muggle: A nonmagical person.
Parselmouth: A wizard who can talk to snakes in the language of Parseltongue. Many wizards take this as the mark of a Dark wizard.
Patronus: A positive force that is conjured in defense of a Dementor. A Patronus appears as a bright light that takes the form of a different animal for each wizard.
Quidditch: The beloved sport of the wizarding world. Quidditch is played on broomsticks and involves throwing balls through six big hoops. At the same time, a player on each team, called the Seeker, is trying to catch the Golden Snitch. When the Snitch is caught, the game is over.
Ravenclaw House: One of the four houses in Hogwarts. Students in Ravenclaw are characterized by wisdom, wit and love of learning.
Slytherin House: One of the four houses in Hogwarts. Students in Slytherin are characterized by ambition, cleverness and cunning.
Sorting Hat: The hat that each matriculating Hogwarts students wears when he first arrives. The hat decides to which of the four houses a student will belong.
Unforgivable Curses: The three most powerful and evil spells, used mostly by Dark wizards.
Weasleys' Wizard Wheezes: The joke shop that Fred and George Weasley open in Diagon Alley after graduating from Hogwarts.
Zonko's: The famous joke shop located in Hogsmeade.