Entry 2 senses Webster, 1913 Vicarial /(vī̇*kā"ĭ*al)/ · Vi·ca·ri·al · IPA /vaɪˈkɛɹi.əl/ 01 a. Of or pertaining to a vicar; as, vicarial tithes. 1. Of or pertaining to a vicar; as, vicarial tithes. 2. Delegated; vicarious; as, vicarial power.