Entry 2 senses · 2 variants Webster, 1913 Hanoverian /(hăn`ō̇*vē"rĭ*an)/ · Han·o·ve·ri·an · IPA /hˌænoʊvˈɪriːən/ a. n. 01 a. Of or pertaining to Hanover or its people, or to the House of Hanover in England. 1. Of or pertaining to Hanover or its people, or to the House of Hanover in England. 02 n. A native or naturalized inhabitant of Hanover; one of the House of Hanover. 1. A native or naturalized inhabitant of Hanover; one of the House of Hanover.