noun tri·er·arch \ˈtrī(-ə)-ˌrärk\

Definition of trierarch

  1. 1 :  the commander of a trireme

  2. 2 :  an Athenian citizen who had to fit out a trireme for the public service

Origin and Etymology of trierarch

Latin trierarchus, from Greek triērarchos, from triērēs trireme (from tri- + -ērēs — akin to Latin remus oar) + -archos -arch — more at row

First Known Use: circa 1656

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