MOTHER-TO-BE Meaning of MOTHER-TO-BE in English mother-to-be BrE AmE ˌmʌð ə tə ˈbiː AmE ˌ• ə r-▷ mothers-to-be ˌmʌð əz tə ˈbiː AmE ˌ• ə rz- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012