a room fitted with equipment for washing the hands and face and usually with flush toilet facilities.

a flush toilet; water closet.

a bowl or basin with running water for washing or bathing purposes; washbowl.

any place where washing is done.

noun

latrine , powder room , restroom , shower , toilet , washroom , water closet , wcnotes:a laboratory is a room or building for the conduct of scientific research , while a lavatory is a room equipped with toilet facilities , basin , bathroom , comfort station , head , john , privy