Source : Webster's Revised Unabridged Dictionary (1913)

Eparchy \Ep"arch*y\, n. [Gr. ? the post or office of an ?.]
   A province, prefecture, or territory, under the jurisdiction
   of an eparch or governor; esp., in modern Greece, one of the
   larger subdivisions of a monarchy or province of the kingdom;
   in Russia, a diocese or archdiocese.

Source : WordNet®

eparchy
     n 1: a province in ancient Greece
     2: a diocese of the Eastern Orthodox Church [syn: {exarchate}]