Lewis & Short

Opĭlĭus, i, m., a Roman surname.

  1. I. Aurelius Opilius, a grammarian and author, Suet. Gram. 6.
  2. II. Another Aurelius Opilius, a physician, Plin. 28, 4, 7, § 38.
  3. III. M. Opilius Severus Macrinus, emperor of Rome, A. D. 218, Eutr. 8, 21.