quinquĕrēmis — Lewis & Short
quinquĕrēmis, is, adj.quinque-remus:
decem quinqueremes naves,having five banks of oars, Liv. 41, 9, 1.—As subst.: quinquĕrēmis, is, f., a ship or galley having five banks of oars, a quinquereme (class.):
in quinqueremi,Cic. Verr. 2, 4, 46, § 103:
una,Liv. 42, 48; 37, 12; Plin. 7, 56, 57, § 208.