noun: A collaborative website which can be directly edited merely by using a web browser, often by anyone with access to it.
verb: (transitive, intransitive) To research on Wikipedia or some similar wiki.
verb: (intransitive) To contribute to a wiki.
verb: (transitive) To participate in the wiki-based production of.
noun: (proscribed) Abbreviation of Wikipedia. [A free-content online encyclopedia founded in 2001, collaboratively developed over the World Wide Web in a number of languages.]