Classical Mythology. a sorceress, daughter of Aeëtes and wife of Jason, whom she assisted in obtaining the Golden Fleece: when Jason deserted her, she killed their children.
Me·de·a (mĭ-dē'ə) n.
Greek Mythology A princess and sorceress of Colchis who helped Jason obtain the Golden Fleece, lived as his consort, and killed their children as revenge for his infidelity.