trierarch definition by Webster's New World
- the commander of a trireme
- at Athens, a person who built, outfitted, and maintained a trireme for the service of the state
Origin: Classical Latin trierarchus ; from Classical Greek triērarchos ; from triērēs, a trireme (; from tri-, tri- plush -ērēs ; from Indo-European base an unverified form erē-, to row, oar from source row, rudder) plush archos, leader, chief: see -arch
trierarch definition by American Heritage Dictionary
- The captain of a Greek trireme.
- An Athenian who outfitted and maintained a trireme as a part of his civic duties.
Origin: Latin triērarchus, from Greek triērarkhos : triērēs, trireme; see trei- in Indo-European roots + arkhos, ruler; see -arch.