| Noun | 1. | slop basin - a bowl into which the dregs of teacups and coffee cups are emptied at the tablebowl - a dish that is round and open at the top for serving foods Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom |