Rabīrius, i, m., the name of a Roman gens. Thus, C. Rabirius, a tribune of the people; and, C. Rabirius Postumus, a knight; both of them defended by Cicero in orations still extant.

— An indifferent philosophical writer, Cic. Ac. 1, 2, 5.

— An excellent poet, Ov. P 4, 16, 5; Quint. 10, 1, 90.

— Hence, Rabīriānus, a, um, adj., of or belonging to a Rabirius, Rabirian: domus, Cic. Att. 1, 6, 1.