the free encyclopedia that anyone can edit.
Wikipedia (pronounced /ˌwiːkiˈpiːdiə/ or /ˌwɪkɨˈpiːdiə/) is a multilingual, Web-based, free-content encyclopedia project. The name "Wikipedia" is a portmanteau (a combination of portions of two words and their meanings) of the words wiki (a type of collaborative Web site) and encyclopedia. Wikipedia's articles provide links to guide the user to related pages with additional information.

The biggest multilingual free-content encyclopedia on the Internet. Over 7 million articles in over 200 languages, and still growing.