Lewis & Short

Hyrcāni, ōrum, m., = Ὕρκανοι,

  1. I. the Hyrcanians on the Caspian Sea, Mel. 1, 2, 5; 3, 5, 4; Plin. 6, 13, 15, § 36; Tac. A. 6, 36; 43; 11, 8; Cat. 11, 5; Sil. 13, 474 al. Macedones Hyrcani, the Hyrcanians intermixed with Macedonians in Lydia, Plin. 5, 29, 31, § 120; Tac. A. 2, 47.
  2. II. Derivv.
    1. A. Hyrcānus, a, um, adj., of or belonging to the Hyrcanians, Hyrcanian: mare, i. e. the Caspian Sea, Prop. 2, 30 (3, 28), 20: sinus, Mel. 3, 5, 3 sq.: montes, Plin. 31, 3, 26, § 43: luci, Val. Fl. 6, 114: canis, Lucr. 3, 750: tigres, Verg. A. 4, 367: campus, of the Macedones Hyrcani in Lydia, Liv. 37, 38.
    2. B. Hyrcānĭus, a, um, adj., the same: mare, Plin. 6, 13, 15, § 36; 6, 16, 18, § 46; 5, 27, 27, § 97.
      Subst.: Hyrcā-nĭa, ae, f., the country of the Hyrcanians, Hyrcania, Mel. 3, 5, 7.