OFFICIANT Meaning of OFFICIANT in English [ ə'fɪʃɪənt , -ʃ(ə)nt ]■ noun a priest or minister who performs a religious service or ceremony.OriginC19: from med. L. ~- , officiare 'perform divine service'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004