Lewis & Short

Gordĭānus, i, m.,

  1. I. a Roman proper name; in partic., the name of three Roman emperors, Capitol. Gord.
  2. II. Deriv. Gordĭānus, a, um, adj., of or belonging to the emperor Gordian, Gordian: LEGIO, Inscr. Grut. 53, 10; Inscr. Don. cl. 3, no. 48.