Noun
1. a bowl-shaped vessel; usually used for holding food or liquids;
"she mixed the dough in a large basin"2. the quantity that a basin will hold;
"a basinful of water"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;
"flood control in the Missouri basin"5. a bathroom or lavatory sink that is permanently installed and connected to a water supply and drainpipe; where you wash your hands and face;
"he ran some water in the basin and splashed it on his face"