Lewis & Short

Hellespontus, i, m., = Ἑλλήσποντος,

  1. I. the Sea of Helle, the Hellespont, so named after Helle, who was drowned in it, the modern Dardanelles, Mel. 1, 1, 5; 1, 3, 1; Plin. 4, 11, 18, § 49; 4, 12, 24, § 75; 4, 13, 27, § 92; Enn. ap. Varr. L. L. 7, § 21 Müll. (Ann. v. 371 Vahl.); Cic. Fin. 2, 34, 112; Ov. M. 13, 407 et saep.
    Separate: qua ponto ab Helles, Poët. ap. Cic. Or. 49, 163; cf. pure Lat.: mare in Helles, Ov. Tr. 1, 10, 15.
    1. B. Transf., the shores of the Hellespont, the land around the Propontis, Cic. Fam. 13, 53, 2; id. Verr. 2, 1, 24, § 63; Liv. 37, 33, 4; Nep. Paus. 2, 1.
  2. II. Derivv.
    1. A. Hel-lespontĭus, a, um, adj., of or belonging to the Hellespont, Hellespontic: ora, Cat. 18, 4; Lact. Epit. 5, 1.
      As subst.: Helles-pontĭus, i, m., one who lives upon the Hellespont: si quid habebit cum aliquo Hellespontio controversiae, Cic. Fam. 13, 53, 2.
      Plur., Plin. 5, 30, 32, § 123.
    2. B. Hellespontĭăcus, a, um, adj., Hellespontic: aquae, Ov. Tr. 1, 10, 24: Priapus (because born and worshipped in Lampsacus, a city on the Hellespont), Verg. G. 4, 111.
    3. C. Hellespontĭcus, a, um, adj., the same: fretum, Mel. 1, 2, 2; 1, 18, 5.
    4. D. Hellespontĭas, ădis, f., another name of the wind Caecias, Plin. 2, 47, 46, § 121.