MademoisellePronunciation: /ˌmad(ə)mwəˈzɛl, madmwazɛl/Definition of Mademoiselle noun (plural Mesdemoiselles) a title or form of address used of or to an unmarried French-speaking woman, corresponding to Miss:Mademoiselle Rossignol (mademoiselle) a young Frenchwoman. (mademoiselle) a female French teacher in an English-speaking school. Origin:French, from ma 'my' + demoiselle 'damsel'Mademoiselle in other Oxford dictionaries Definition of Mademoiselle in the US English dictionary