TERRIGENOUS Meaning of TERRIGENOUS in English [ tɛ'rɪdʒɪnəs ]■ adjective Geology denoting marine sediment eroded from the land.OriginC17: from L. terrigenus (from terra 'earth' + -genus 'born') + -ous . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004