Lewis & Short

Ăornos, i, = Ἄορνος (without birds) or ἡ Ἄορνος λίμνη (v. Strab. 1, 26; 5, 244 sqq.).

  1. I. Masc., the Lake of Avernus in Campania, now Averno, Verg. A. 6, 242.
  2. II. Fem.
    1. A. A very high, steep rock in India, Curt. 8, 11.
    2. B. A place in Epirus, Plin. prooem. 4.