COADJUTOR Meaning of COADJUTOR in English [ kəʊ'adʒʊtə ]■ noun a bishop appointed to assist and often to succeed a diocesan bishop.OriginME: via OFr. from late L. ~ , from co- + adjutor 'assistant'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004