Trireme

[trairi:m]

(noun.) ancient Greek or Roman galley or warship having three tiers of oars on each side.

Editor: Moll--From WordNet

(n.) An ancient galley or vessel with tree banks, or tiers, of oars.

Checker: Rupert

n. an ancient galley—esp. a war-galley—having three banks or rows of oars.

Editor: Margaret

Editor: Ramon