Proper noun.  The first book of the Harry Potter series, Harry Potter and the Philosopher Stone, or other related products, such as the movie or the video game based on it.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.