(fab. hist,) a daughter of Menoeceus, who married Laius king of Thebes, by whom she had Oedipus. She afterwards married her son Oedipus, without knowing who he was, and had by him Eteocles, Polynices, &c. When she discovered that she had married her own son and been guilty of incest, she hanged herself in despair. She is called Epicastra by some mythologists.