1. A bowl-shaped vessel; usually used for holding food or liquids
   "she mixed the dough in a large basin"
    
2. 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 basin and splashed it on his face";
   - washbasin, washbowl, washstand, lavatory [N. Amer]
    
3. A natural depression in the surface of the land often with a lake at the bottom of it
   "the basin of the Great Salt Lake"
    
4. The entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
   "flood control in the Missouri basin"; "The Amazon catchment basin covers over 7 million square kilometres";
   - river basin, watershed, drainage basin, catchment area, catchment basin, drainage area
    
5. The quantity that a basin will hold
   "a basin of water";
   - basinful

Derived forms: basins

Type of: containerful, depression, geographic area, geographic region, geographical area, geographical region, natural depression, sink, vessel

Encyclopedia: Basin, Pyotr