[
joh-kas-tuh] 
| 1. | Classical Mythology. a queen of Thebes, the wife of Laius and the mother, later the wife, of Oedipus, by whom she bore Eteocles, Polynices, and Antigone: called Epicaste by Homer. |
| 2. | a female given name. |
| Jo·cas·ta (jō-kās'tə) n. Greek Mythology A queen of Thebes who unknowingly married her own son, Oedipus. |