Wordnet 3.0
NOUN (2)
1.
a bishop or metropolitan in charge of an eparchy in the Eastern Church;
2.
the governor or prefect of an eparchy in ancient Greece;
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
eparch
n 1: a bishop or metropolitan in charge of an eparchy in the
Eastern Church
2: the governor or prefect of an eparchy in ancient Greece