Webster's Revised Unabridged Dictionary · 1913

Vicariate

Vicariate , adjective

Having delegated power, as a vicar; vicarious. — Barrow

Vicariate , noun

[Late Latin vicariatus, or French vicariat.]

Delegated office or power; vicarship; the office or oversight of a vicar.
The vicariate of that part of Germany which is governed by the Saxon laws devolved on the elector of Saxony. — Robertson