τρῐήρ-ησ (sc. ναῦσ), ἡ, gen. εοσ, Att. ουσIG22.1629.615, Ion. ευσHippon.49.2; acc. εα, Att. ηIG22.1610.30, 1623.113, 1632.235,338 (but τριήρην ib.1628.35, 1629.862): nom. pl. εεσ, Att. εις; gen. τριήρων ib.1627.397, etc., Ion. τριηρέωνHdt.7.89; hence Choerob.in Theod.1.411 H. prescribes as the contr. form τριηρῶν, not τριήρων, as in codd. of Th.6.46, X.HG1.4.11, D.14.9, v. Hdn.Gr.1.428; Thom.Mag.p.356 R. prescribes sg. τριήρεοσ and pl. τριήρων ("τριήρεων ρὰρ ..λέγομεν"), citing Aristid.1.431 J.: gen. dual τριήροινX.HG1.5.19:—
a trireme,
i.e. prob.
a galley with three men on each bench, each man rowing one oar, and three oars passing together through the