WC — meaning in English

English meaning

toilet noun A fixture, usually with a bowl and seat, used for urination and defecation and flushed with water.
WC noun A toilet, or the small room containing one; the standard sign for public lavatories across much of Europe.

WC is used for these senses in English:

WC (UK, Irish, Commonwealth) Initialism of water closet: a lavatory; a toilet.
flush toilet A toilet that uses water to flush urine and feces through a pipe to another location, typically a sewer main in urban settings or a septic tank elsewhere.
toilet (NZ) A small secondary lavatory having a fixture used for urination and defecation and sink but no bathtub or shower.
toilet (UK, AU, HK) A room, enclosed area or single-purpose building containing a fixture or fixtures used for urination and defecation; a bathroom or water closet. [from 19th c.]

noun A fixture, usually with a bowl and seat, used for urination and defecation and flushed with water.
noun A room containing such a fixture; a bathroom or restroom.
noun A very dirty or run-down place (informal, disparaging).
verb To urinate or defecate in a toilet, or to help someone (such as a child) do so.

noun A toilet, or the small room containing one; the standard sign for public lavatories across much of Europe.
abbreviation Who cares; used dismissively in chat, though far less common than the lavatory sense.