basin

(noun) a bowl-shaped vessel; usually used for holding food or liquids. Example: "She mixed the dough in a large basin."

(noun) the quantity that a basin will hold. Synonyms: basinful. Example: "A basinful of water."

(noun) a natural depression in the surface of the land often with a lake at the bottom of it. Example: "The basin of the great salt lake."

(noun) the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet. Synonyms: river basin, watershed, drainage basin, catchment area, catchment basin, drainage area. Example: "Flood control in the missouri basin."

(noun) a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face. Synonyms: washbasin, washbowl, washstand, lavatory. Example: "He ran some water in the basin and splashed it on his face."