MOTU PROPRIO Meaning of MOTU PROPRIO in English motu proprio BrE AmE ˌməʊt uː ˈprɒp ri əʊ -ˈprəʊp- AmE \ ˌmoʊt uː ˈproʊp ri oʊ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012