<p><strong>Noun</strong></p><ul><li>A king of Thebes, the son of Laius and Jocasta, and the father by Jocasta of Eteocles, Polynices, Antigone, and Ismene: as was prophesied at his birth, he unwittingly killed his father and married his mother and, in penance, blinded himself and went into exile.</li></ul>