I. An appellation of the fourth Ptolemy of Egypt, bestowed upon him in derision, because he had murdered his father and mother, Plin. 7, 56, 57, § 208; Just. 29, 1, 5; Arn. 6, 193.—
II. A king of Cilicia, Tac. A. 2, 42.—
III. With a Latin ending: Phĭlŏpăter , tris, a Roman surname, Inscr. Murat. 1490, 11.