'Eparch' definitions:

Definition of 'eparch'

(from WordNet)
noun
A bishop or metropolitan in charge of an eparchy in the Eastern Church
noun
The governor or prefect of an eparchy in ancient Greece

Definition of 'Eparch'

From: GCIDE
  • Eparch \Ep"arch\, n. [Gr. ?; 'epi` over + ? chief, ? supreme power, dominion.] In ancient Greece, the governor or perfect of a province; in modern Greece, the ruler of an eparchy. [1913 Webster]