Lewis & Short

Pescennĭus, i, m., name of a Roman gens.

  1. I. A friend of Cicero, Cic. Fam. 14, 4, 6.
    Esp.,
  2. II. Pescennius Niger, a Roman emperor; hence, Pescenniānus, a, um, adj., pertaining to the emperor Pescennius: reliquiae, Spart. Sev. 15, 4: domus, id. Pesc. Nig. 12, 4.