Lewis & Short

Hyperbŏrĕi, ōrum, m., = Ὑπερβόρεοι (-ειοι),

  1. I. a fabulous people living at the extreme north, the Hyperboreans, Mel. 1, 2, 4 sq.; 3, 5, 1; Plin. 4, 12, 26, § 89; Cic. N. D. 3, 23, 57.
  2. II. Derivv.
    1. A. Hyper-bŏrĕus, a, um, adj., of or belonging to the Hyperboreans, Hyperborean, poet., also i. q. northern: campi, Hor. C. 2, 20, 16: orae, Verg. G. 3, 196: glacies, id. ib. 4, 517; cf. pruinae, Val. Fl. 8, 210: ursa, Luc. 5, 23: septentrio, Verg. G. 3, 381: Pallene, Ov. M. 15, 356: triumphus (gained over the Catti and Dacii), Mart. 8, 78, 3.
    2. B. Hyper-bŏrĕānus, a, um, adj., the same, Hier. ap. Chron. Euseb. ad Ann. 1560.