bireme(redirected from biremes)
An ancient galley equipped with two tiers of oars on each side.
(Nautical Terms) an ancient galley having two banks of oars
[C17: from Latin birēmus, from bi-1 + -rēmus oar]
a galley having two tiers of oars.
[1590–1600; < Latin birēmis having oars in pairs]