APERIENT MEDICINE Meaning of APERIENT MEDICINE in English aperient Medicine [ ə'pɪərɪənt ]■ adjective used to relieve constipation. ■ noun an aperient drug.OriginC17: from L. aperient- , aperire 'to open'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004