basin
[noun]
Synonyms: depression, concavity, dip, hollow, sag, sink, sinkage, sinkhole

[TahlilGaran] English Synonym Dictionary ▲

ba‧sin /ˈbeɪsən/ noun [countable]
[Date: 1200-1300; Language: Old French; Origin: bacin, from Late Latin bacchinon]

1. British English a round container attached to the wall in a bathroom, where you wash your hands and face Synonym : sink:
a wash basin

2. a large bowl-shaped container for liquids or food:
Fill the basin with the cake mixture.

3. (also basinful /ˈbeɪsənfʊl/) the amount of liquid that a basin can contain:
a basin of hot water

4. an area of land that is lower at the centre than at the edges, especially one from which water runs down into a river:
the Amazon basin

5. a place where the Earth’s surface is lower than in other areas:
the Pacific Basin
⇒ pudding basin

[TahlilGaran] Dictionary of Contemporary English ▲