Lewis & Short

Colchĭs, ĭdis (ĭdŏs, Val. Fl. 2, 423; 5, 202), f., = Κολχίς,

  1. I. a province in Asia, east of the Black Sea, celebrated on account of the golden fleece and Medea; now Mingrelia; acc. Colchida, Mel. 2, 3, 6; Plin. 2, 103, 106, § 226; Val. Fl. 5, 505 al.
  2. II. Hence,
    1. A. Colchis, ĭdis, f. adj., Colchian: gens, Val. Fl. 3, 418; and subst., a Colchian woman, κατ’ ἐξοχήν = Medea, Hor. Epod. 16, 58; Prop. 2 (3), 34, 8; Ov. M. 7, 301; 7, 348; acc. Gr. Colchida, Prop. 2 (3), 21, 11; voc. Colchĭ, Ov. R. Am. 262; abl. Colchide, id. M. 7, 331; Juv. 6, 643.
    2. B. Colchus, a, um, Colchian: litora, Ov. M. 13, 24: domus, id. F. 3, 876: venena, i. e. of Medea, id. M. 7, 394: rhombus, i. e. magical, enchanting, Mart. 12, 57, 17.
      Subst.: Col-chus, i, m., a Colchian, Hor. A. P. 118; and in plur.: Colchi, ōrum, the Colchians, Plin. 6, 4, 4, § 12; Cic. N. D. 3, 21, 54; id. Att. 9, 9, 2; meton. for Colchis, Mel. 1, 19, 2; Hor. C. 4, 4, 63.
    3. C. Colchĭcus, a, um, Colchian: venena, of Medea, Hor. Epod. 17, 35; cf. the preced.
      Subst.: col-chĭcum, i, n., a plant with a poisonous root: Colcbicum auctumnale, Linn.; Plin. 28, 9, 33, § 129.