Opĭlĭus, i, m., a Roman surname.
I Aurelius Opilius, a grammarian and author , Suet. Gram. 6.—
II Another Aurelius Opilius, a physician , Plin. 28, 4, 7, § 38.—
III M. Opilius Severus Macrinus, emperor of Rome , A. D. 218, Eutr. 8, 21.