Lewis & Short

1. trăbĕa, ae, f., a robe of state of augurs, kings, knights, etc.

  1. I. Lit., Suet. Fragm. ap Serv. Verg. A. 7, 612; Plin. 8, 48, 74, § 195; 9, 39, 63, § 136; Ov. F. 2, 503; Verg. A. 7, 188; 7, 612; 11, 334 al.
  2. II. Transf.
    1. A. The equestrian order, Stat. S. 5, 2, 17; Mart. 5, 41, 5.
    2. B. The consulate, Claud. in Ruf. 1, 243; Symm. Ep. 9, 112.

2. Trăbĕa, ae, m., Q., an ancient Roman comic poet, Cic. Fam. 9, 21, 1; id. Fin. 2, 4, 13; id. Tusc. 4, 31, 67; Auct. ap. Gell. 15, 24.