trierarch

[ trahy-uh-rahrk ]
/ ˈtraɪ əˌrɑrk /

noun Greek History.

the commander of a trireme.
(in Athens) a citizen who, singly, or jointly with other citizens, was required to fit out a trireme for the public service.

Origin of trierarch

1650–60; < Greek triḗrarchos, equivalent to triḗr(ēs) trireme + archós commander. See tri-, -arch
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British Dictionary definitions for trierarch

trierarch

/ (ˈtraɪəˌrɑːk) /

noun Greek history

a citizen responsible for fitting out a state trireme, esp in Athens
the captain of a trireme

Word Origin for trierarch

C17: from Latin, from Greek triērarkhos, from triērēs equipped with three banks of oars + arkhein to command
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012