Read the dictionary definition of basin. All definitions for this word.
1. a bowl-shaped vessel; usually used for holding food or liquids
1. 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
1. he ran some water in the basin and splashed it on his face
3. the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
1. flood control in the Missouri basin
4. a natural depression in the surface of the land often with a lake at the bottom of it
1. the basin of the Great Salt Lake
5. the quantity that a basin will hold
1. a basinful of water