Lewis & Short

trĭ-rēmis, e, adj. [ter-remus], having three banks of oars.

  1. I. Adj.: naves, Caes. B. C. 2, 6; 3, 24; Nep. Dion, 9, 2; cf. Front. Ep. ad M. Caes. 4, 3 fin.
  2. II. Subst.: trĭ-rēmis, is, f., a vessel with three banks of oars, a trireme, Caes. B. C. 2, 23; 3, 101; Cic. Verr. 2, 5, 17, § 44; Hor. C. 3, 1, 39; id. Ep. 1, 1, 93; Liv. 31, 22, 5; Plin. 7, 56, 57, § 207,