COETERNAL Meaning of COETERNAL in English coeternal BrE AmE ˌkəʊ i ˈtɜːn ə l ◂ -iː- AmE \ ˌkoʊ i ˈtɝːn ə l ◂▷ coeternal|ly i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012