a room fitted with equipment for washing the hands and face and usually with flush toilet facilities.a flush toilet; water closet .a bowl or basin with running water for washing or bathing purposes; washbowl.
a receding part or space, as a bay or alcove in a room.
an interior wall or barrier dividing a room, area of a building, enclosure, etc., into separate areas
a natural or artificial hollow place containing water.
an opening, as a hole, slit, crack, gap, etc.
an apparatus for aerating water or other fluids.
the matter that settles to the bottom of a liquid; lees; dregs.