Yes, BASIN is a Scrabble word!

Letter values in Scrabble US: B 3, A 1, S 1, I 1, N 1.

Is it a valid word?

BASIN is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a bowl-shaped vessel; usually used for holding food or liquids
the quantity that a basin will hold
a natural depression in the surface of the land often with a lake at the bottom of 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 bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face

BASIN was the Wordle answer on June 1, 2024 (#1,078). Stuck on today’s? Use the Wordle helper.

Also: river basin, drainage basin, catchment area, catchment basin, drainage area.