Lewis & Short

Odrysae, ārum, m., = Ὀδρύσαι,

  1. I. a people of Thrace, on the Hebrus, now Rumili, Liv. 39, 53; Plin. 4, 11, 18, § 40.
    Written Odrŭsae, Tac. A. 3, 38.
    Hence,
  2. II. Odrysĭus, a, um, adj., Odrysian, poet. for Thracian: rex, Ov. M. 6, 490: tyrannus, i. e. Tereus, id. R. Am. 459: dux, i. e. Rhesus, id. A. A. 2, 130: domus, i. e. of Tereus, king of Thrace, Sen. Thyest. 273: carmen, of Orpheus, Val. Fl. 5, 440.
    Subst.: Odrysĭus, ii, m., the Odrysian, Thracian, i. e. Orpheus, Val. Fl. 5, 100.
    In plur.: Odrysii, ōrum, m., Odrysians, Thracians, Ov. P. 1, 8, 15.