Definition of exarchate in English:

exarchate

noun

historical
  • A Byzantine province governed by an exarch.

    • ‘The term militia had social, military, and political significance and was linked to the organization of the different Byzantine duchies and the exarchate.’

Origin

Mid 16th century: from medieval Latin exarchatus, from ecclesiastical Latin exarchus, from Greek (see exarch).

Pronunciation:

exarchate

/ˈɛksɑːkeɪt/