Dictionary
Ni•cos•tra•tus
Pronunciation: (nī-kos'tru-tus), [key]—
n. Class. Myth.
a son of Menelaus and Helen who, with his illegitimate brother Megapenthes, expelled Helen from Sparta when Menelaus died.
Also,Ni•kos'tra•tos.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.