basin

a bowl-shaped vessel; usually used for holding food or liquids

• “she mixed the dough in a large basin”

the quantity that a basin will hold

• “a basinful of water”

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”

the entire geographical area drained by a river and its tributaries

• “flood control in the Missouri basin”

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”