■ noun
1》 a large bowl or open container for washing in, preparing food, or holding liquid.
2》 a broadly circular valley or natural depression on the earth's surface.
↘an area drained by a river and its tributaries.
↘an enclosed area of water where boats can be moored.
3》 Geology a circumscribed rock formation where the strata dip towards the centre.
Derivatives
~ful noun ( plural ~fuls ).
Origin
ME: from OFr. bacin , from med. L. bacinus , from bacca 'water container'.