-ARCH Meaning of -ARCH in English -arch BrE AmE ɑːk AmE ɑːrk▷ — ecclesiarch ɪ ˈkliːz i ɑːk AmE -ɑːrk —but in monarch usually ək in Received Pronunciation. Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012