Cite
 

Meaning of trierarch

tri•er•arch

Pronunciation: (trī'u-rärk"), [key]
— n. Gk. Hist.
  1. the commander of a trireme.
  2. (in Athens) a citizen who, singly, or jointly with other citizens, was required to fit out a trireme for the public service.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.