Wiki
A wiki is a type of website that lets anyone  create and change its pages.  The word is sometimes used in Internet slang to mean Wikipedia.  Wiki is short for WikiWikiWeb.  Wikiwiki is a word from the Hawaiian language, meaning "fast" or "speed". Examples of wikis include Wikipedia, Everipedia, Citizendium, Scholarpedia Conservapedia, Wiktionary and Wikibooks.