维基

wiki (Internet)

abbr. for Uighur 維吾爾|维吾尔[Wei2 wu2 er3] / surname Wei

to preserve / to maintain / to hold together / dimension / vitamin (abbr. for 維生素|维生素[wei2 sheng1 su4])

(bound form) base; foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)

Wikispecies, (species.wikimedia.org), online project to catalog all known species

Wikipedia (online encyclopedia)

Wikimedia Foundation

Wikistats, (stats.wikimedia.org), online tool providing statistics for Wikimedia projects

WikiLeaks

Wiktionary (online dictionary)