Lewis & Short

trăbĕātus, a, um, adj. [1. trabea], dressed in or wearing a trabea.

  1. I. Adj.: Quirinus, Ov. F. 1, 37; id. M. 14, 828: equites, Tac. A. 3, 2; Suet. Dom. 14; Val. Max. 2, 2, 9; for which also agmina, the knights, Stat. S. 4, 2, 32: domus, i. e. of a consul, Claud. Cons. Mall. Theod. 338; so, colonus, i. e. consul, id. IV. Cons. Hon. 417: quies, of the consuls, Cod. Th. 10, 10, 33.
  2. II. Subst.: trăbĕ-āta, ae, f. (sc. fabula), a kind of drama, so called by C. Melissus, prob. from the knights represented in it, Suet. Gram. 21.