DictionarybasinWater-collecting area
noun

basin

BAY-suhn/ˈbeɪsn/

A bowl-shaped hollow that holds or collects water.

Clear water fills the broad ceramic basin on the table.

A broad ceramic basin holding clear water, wide open bowl with rim, no tap or text.
Etymology

Old French bacin named a water-holding vessel. That container image extends to landscape basins, where water collects or drains into a common river or sea.

In context

SustainableWorld1:29
the spot in the Basin that that water will fill up throughout this whole area start soaking
Managing the Water on Your Land- Making A Rain Garden

More examples

  • Rain collects in the shallow basin between the hills.
  • The river basin drains a large farming region.
  • She rinses the cloth in the basin.

Forms

basin · basins

Similar words

bowl
Usually names a container rather than a geographical depression.
watershed
Specifically concerns the area draining into a river system.