Resembling a saurian in general; having characters of or some affinity with reptiles; reptilian; sauropsidan, as a vertebrate; pertaining to the Sauroidei, as a fish.n. One of a family of ganoid fishes including the lepidosteids and various extinct forms; a member of the Sauroidei: as, “the sauroids and sharks,”n. A member of the Sauropsida.