sēmĭdĕus, a, um, adj.,
I half-divine : heroes, i. e. the Argonauts , Stat. Th. 5, 373; called also, reges, id. ib. 3, 518; id. Achill. 2, 363: parentes, id. Th. 9, 376: Manes, Luc. 9, 7: canes, i. e. Anubis , id. 8, 832 (al. semicanes dei): Dryades, Ov. H. 4, 49: Nymphae semideumque genus, id. Ib. 82; cf.: Silvanus arbiter umbrae Semideumque pecus, i. e. the Pans , Stat. Th. 6, 112.— Hence, subst.
1 sēmĭ-dĕus , i, m., a demigod : semideique deique, Ov. M. 14, 673; 1, 192.—
2 sēmĭ-dĕa , ae, f., a demigoddess : tres volucres, tres semideae, tres semipuellae, i. e. the Sirens , Aus. Idyll. 11, 21.