toilettoilettoiletstoiletedtoiletingnoun1a large bowl with a seat, that you use when you need to empty waste from your body2(British) (Americanbathroom)a room that contains a toilet: I'm going to the toilet.word buildingIn their houses, British people usually say the toilet or, informally, the loo. Lavatory and WC are formal and old-fashioned words. In public places in Britain, the toilets are called the Ladies or the Gents. In American English, people say the bathroom in their homes and the restroom, ladies' room or men's room in public places.