Entry 2 senses · 2 variants Webster, 1913 Vicariate · Vi·ca·ri·ate · IPA /vaɪˈkɛəɹi.ət/ a. n. 01 a. Having delegated power, as a vicar; vicarious. 1. Having delegated power, as a vicar; vicarious. 02 n. Delegated office or power; vicarship; the office or oversight of a vicar. 1. 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.