Ever heard of a portkey? What about alohomora? If you're a fan of the wildly popular Harry Potter books, you might. If you need to brush up on your Potterisms, check out this Harry Potter dictionary, which offers definitions for characters, places, things and spells.

For even more help, use this guide to Harry Potter pronunciations. Select a letter from the drop-down menu, then choose a word. You'll hear an audio recording of the correct pronunciation!

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