An area of land from which water drains into a common outlet; drainage basin.
A rock formation scooped out by water erosion.
A wide bowl for washing, sometimes affixed to a wall.
A depression, natural or artificial, containing water.
To serve as or become a basin.
To shelter or enclose in a basin.
To create a concavity or depression in.
An area from which water drains into a particular lake, river, etc.; the catchment area of a large river includes its tributaries.
The area served by a local institution, such as a hospital or school, or by extension, a railway station.