vicariate /vaɪˈkɛəɹi.ət/noun 3adjective 1forms 3 noun3 •The office, authority, or district of a vicar.His next was to claim, in virtue of this vicariate, the mediatorial “power in heaven and in earth” — 1678 •The office, authority, or district held by a person as deputy for a bishop, or similar ecclesiastical authority.Upon ye late remove of our patriarch's vicar there hath fallen vacant a benefice annexed to ye vicariat. — 1611 •The office, authority, or district managed by someone appointed as deputy to a secular political leader.If he should chance to fayle, the vicariate of Upper Germany must neades fall upon the Palatin. — 1619 adjective1 •(no longer used, rare) delegated; relating to a representative; vicarious.To the Bishops of Arles had the Holy See deputed a vicariate power there. — 1849 formsvicariates · more vicariate · most vicariate