Lewis & Short

2. Ĕchīon, ŏnis, m.

  1. I. 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.
    1. B. Derivv.
      1. 1. Echīŏnĭdes, ae, m., the son of Echion, i. e. Pentheus, Ov. M. 3, 513 and 701.
      2. 2. Echīŏnĭus, 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.
  2. II. A son of Mercury, an Argonaut, and a sharer in the Calydonian hunt, Ov. M. 8, 311; Hyg. Fab. 14.
    Hence,
    1. B. Echīŏ-nĭus, a, um, adj., of Echion: lacerto, Ov. M. 8, 345.
  3. III. A celebrated Greek painter, Cic. Par. 5, 2, 37; id. Brut. 18, 70.