Lewis & Short

Lăbĕrĭus, a,

  1. I. name of a Roman gens; so esp. D. Laberius, a knight, celebrated as a composer of mimes, Cic. Fam. 7, 11; 12, 18; Hor. S. 1, 10, 6; Suet. Caes. 39; Sen. de Ira, 2, 11; Macr. S. 2, 7.
    Hence,
  2. II. Lă-bĕrĭānus, a, um, adj., of or belonging to D. Laberius, Laberian: versus, Sen. de Ira, 2, 11, 4.