Lewis & Short

dŏmĭtor (also post-class. dŏmātor, Amm. 21, 5; but Tib. 4, 1, 116, the true reading is domante), ōris, m. [domo], a tamer, breaker (rare but class.).

  1. I. Prop.: equorum, Cic. Off. 1, 26, 90; Verg. A. 7, 189; 651 al.; Inscr. Orell. 4179.
  2. II. Transf., a subduer, vanquisher, conqueror: vexator furoris, domitor armorum, Cic. Mil. 13 fin.; cf.: belli externi, Tac. H. 2, 76 fin.: Persarum (with victor), Cic. Rep. 1, 3; cf.: Hispaniae Galliaeque, Liv. 21, 43: Trojae, Hor. Ep. 1, 2, 19: maris (Neptunus), Verg. A. 5, 799; cf.: freti Tiphys, Sen. Med. 2: domitor ac frenator infinitae potestatis (animus), Plin. Pan. 55, 9; cf.: curarum (somnus), Sen. Agam. 75.