a bowl-shaped vessel; usually used for holding food or liquids | plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe |
a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face | a covered cistern; waste water and sewage flow into it |
the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet | a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof |
a natural depression in the surface of the land often with a lake at the bottom of it | (technology) a process that acts to absorb or remove energy or a substance from a system |
the quantity that a basin will hold | |