water closet
From Longman Dictionary of Contemporary EnglishRelated topics: Householdwater closetˈwater ˌcloset noun [countable] DH old-fashioned a toiletExamples from the Corpuswater closet• The maids' bathroom and water closet is on the top floor by the linen room.• Charles went into the water closet on tlie second floor and closed the door behind him.