wash room

plural wash rooms

1. An unfurnished room within a building used for hand washing, bathing, laundry, dish washing, etc.
2. A lavatory; a room designed and equipped for washing hands, normally fitted with basins or sinks, drains, and running water available from taps or faucets.
3. A similarly equipped room in an institution, such as a hospital or school or manufactory, designated for washing hands, bathing, laundering, or a combination of such.
4. A specially designed chamber in a laboratory or industrial plant designed for emergency bathing such as may be needed for human exposure to harmful chemicals and the like.
5. USslangA bathroom, lavatory, toilet, restroom, or powder room.