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1. A room or building equipped with one or more toilets
   - toilet, lav [informal], can [N. Amer, informal], john [informal], bathroom, water closet [Brit, archaic], closet [archaic], W.C. [Brit], loo [Brit, informal], bog [Brit, informal], jacks [Ireland, informal]
    
2. [N. Amer] A bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face
   "he ran some water in the lavatory and splashed it on his face";
   - washbasin, basin, washbowl, washstand
    
3. [Brit] A toilet that is cleaned of waste by the flow of water through it
   - flush toilet

Derived forms: lavatories

Type of: can [N. Amer, informal], commode [N. Amer], loo [Brit, informal], pot [informal], potty [informal], room, sink, stool [archaic], throne [informal], toilet

Encyclopedia: Lavatory