Simple Definition of basin

from our Learner's Dictionary

basin

noun

plural basins
1
a
chiefly British : a kitchen sink
b
British : a large bowl that is used for mixing, cooking, or serving food
c
: the amount contained in a basin
a basin of cold water
2
: the area of land around a large river and the small rivers that flow into it
the drainage basin of a river
the Amazon Basin
3
: a large area of the earth's surface that is lower than the area around it
the Great Basin of the western U.S.
4
: an area of water where people keep their ships and boats when they are not sailing them
a yacht basin

Cite this Entry

“Basin.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/basin. Accessed 19 May. 2026.

More from Merriam-Webster on basin

More from Merriam-Webster