1. a room containing a toilet and sink; a bathroom
Usage: chiefly North American

Examples

• The washroom is located down the hall on the left.
• Please wash your hands before leaving the washroom.
• The office building has washrooms on every floor.
• She excused herself to use the washroom.
• The restaurant’s washroom was clean and well-maintained.
• Students must ask permission before going to the washroom during class.