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n. A galley-type Grecian vessel with fifty oars.

n. A Grecian vessel with fifty oars.

n. An ancient Greek ship of burden carrying fifty oars.

n. In Greek antiquity, a commander of fifty men.

"The half company is technically called a pentecostys, and a quarter company an enomoty, and the officers in charge of them respectively penteconter and enomotarch."

quadrireme    monoreme    unireme    quinquereme    trireme   

pentaconter