water closet
noun [ C usually singular ] old-fashioned uk/ˈwɔː.tə ˌklɒz.ɪt/ us/ˈwɑː.t̬ɚ ˌklɑː.zɪt/
厕所，卫生间
full form of WC: a toilet, or a room containing a toilet
Synonyms: bathroomloo toilet (CONTAINER)
See also: closet noun (FURNITURE)