Lewis & Short

Īphĭmĕdīa, ae, or Īphĭmĕdē, ēs, f., = Ἰφιμέδεια, the wife of Alōeus (trisyl.), who had two sons by Neptune, Otus and Ephialtes, Serv. Verg. A. 6, 582; Hyg. Fab. 28.