Word Study
quinquereme
CIDE DICTIONARY
quinquereme, n. [L. quinqueremis; quinque five + remus an oar: cf. F. quinquérème].
A galley having five benches or banks of oars; as, an Athenian quinquereme. [1913 Webster]
OXFORD DICTIONARY
quinquereme, n. an ancient Roman galley with five files of oarsmen on each side.
Etymology
L quinqueremis (as QUINQUE-, remus oar)
For further exploring for "quinquereme" in Webster Dictionary Online