Lewis & Short

Ŏaxes or Ŏaxis, is, m., = Ὄαξις,

  1. I. a river in Crete, now Axus: rapidum Cretae veniemus Oaxen, Verg. E. 1, 66.
    Hence,
  2. II. Ŏaxis, ĭdis, f. adj., of or belonging to the Oaxes; poet. for Cretan: capiens tellurem Oaxida, Varr. Atacin. ap. Serv. Verg. E. 1, 66.