Lewis & Short

Răbīrĭus, i, m.,

  1. I. the name of a Roman gens. Thus,
      1. 1. C. Rabirius, a tribune of the people; and,
      2. 2. C. Rabirius Postumus, a knight; both of them defended by Cicero in orations still extant.
      3. 3. An indifferent philosophical writer, Cic. Ac. 1, 2, 5.
      4. 4. An excellent poet, Ov. P 4, 16, 5; Quint. 10, 1, 90.
        Hence,
  2. II. Răbīrĭānus, a, um, adj., of or belonging to a Rabirius, Rabirian: domus, Cic. Att. 1, 6, 1.