Echīon, onis, m. One of the heroes who sprang up from the dragon's teeth sown by Cadmus; the husband of Agave and father of Pentheus, Ov. M. 3, 126; 10, 686; Stat. Th. 4, 569; Hyg. Fab. 178.

—Hence: Echione natus, for Pentheus, Ov. M. 3, 526.

— Derivv. Echīonides, ae, m., the son of Echion, i. e. Pentheus, Ov. M. 3, 513 and 701.

— Echīonius, a, um, adj., meton. for Cadmean or Theban: hydrus, i. e. killed by Cadmus, Val. Fl. 8, 343: dens, id. 7, 554: aula, id. 7, 301; cf. arces, Ov. Tr. 5, 5, 53: nomen, Verg. A. 12, 515; cf. plebs, Stat. Th. 1, 169: Bacchus, Pall. Insit. 45.

— A son of Mercury, an Argonaut, and a sharer in the Calydonian hunt, Ov. M. 8, 311; Hyg. Fab. 14.

—Hence, Echīo-nius, a, um, adj., of Echion: lacerto, Ov. M. 8, 345.

— A celebrated Greek painter, Cic. Par. 5, 2, 37; id. Brut. 18, 70.