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n. pl. wi·kis
A collaborative website whose content can be edited by anyone who has access to it.
[Originally an abbreviation of WikiWikiWeb, software developed by American computer programmer Howard G. Cunningham (born 1949) : Hawaiian wikiwiki, quick (akin to Tahitian viti, vitiviti, deft, from Proto-Eastern-Polynesian *witi) + web.]
(Communications & Information)
a. a web application that allows anyone visiting a website to edit content on it
b. (as modifier): wiki technology.
[C20: from Hawaiian wiki-wiki quick, coined by Ward Cunningham (born 1949), US computer programmer who invented the concept]