MONONGAHELA Meaning of MONONGAHELA in English Monongahela BrE AmE mə ˌnɒŋ ɡə ˈhiːl ə ◂ AmE \ -ˌnɑːŋ-▶ Mo ˌ nonga ˌ hela ˈ River BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012