Lewis & Short

Parthĕnŏpē, ēs, f., = Παρθενόπη,

  1. I. one of the Sirens, who, on the departure of Ulysses, threw herself, for grief, into the sea, and was cast up on the shore where Naples afterwards stood; on this account that city was in early times called by her name, Sil. 12, 33; Verg. G. 4, 564; Ov. M. 15, 712.
  2. II. Parthĕnŏpēĭus, a, um, adj., of or belonging to Parthenope, i. e. to Naples, Neapolitan: moenia, Ov. M. 14, 101.