what is basin
1 pudding basin, a bowl in which raw pudding dough or batter is placed for cooking. 2  wash basin, a sink or bowl to contain water for cleaning hands and other minor washing. 3  toilet basin, an alternate name for a toilet bowl.asin may refer to: 1  Basin, a 5th century Thuringian king. 2  Basin (chanson de geste) , a poem about Charlemagne's childhood. 3  basin (maritime) , the area of a drydock which can be flooded and drained.