EN MASSE Meaning of EN MASSE in English en masse BrE AmE ( ˌ ) ɒ̃ ˈmæs ( ˌ ) ɒn-, ⇨ ( ˌ ) ɒm- AmE ( ˌ ) ɑːn- -ˈmɑːs —French [ ɑ̃ mas \] Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012