(mathematics) A number that can be divided into two different numbers, without leaving a remainder.

plural of common sewer

(UK, slang, archaic) A communal session of drinking alcohol.

plural of common yeoman

plural of common yeoman

A species of butterfly, Cirrochroa tyche, of tropical South Asia and Southeast Asia.

(Oxford University) A gown worn as part of subfusc by any undergraduate who has not been awarded a scholar's gown.

plural of commoner's gown

plural of common cause

plural of common scoter