TRINITARIAN Meaning of TRINITARIAN in English trinitarian, T~ BrE AmE ˌtrɪn ə ˈteər i‿ən ◂ ˌ•ɪ- AmE -ˈter-▷ trinitarian|ism ˌɪz ə m▷ trinitarian|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012