Lewis & Short

Grātĭdĭus, a,

  1. I. name of a Roman gens, Cic. Leg. 3, 16, 36 al.
  2. II. Deriv. Grā-tĭdĭānus, a, um, adj., of or pertaining to a Gratidius, Cic. Brut. 45, 168 al.