CORIACEOUS Meaning of CORIACEOUS in English [ ˌkɒrɪ'eɪʃəs ]■ adjective technical resembling or having the texture of leather.OriginC17: from late L. coriaceus (from L. corium 'leather') + -ous . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004