say it: han-oh-VIR-ee-uhn
hanoverian is a noun and adjective meaning "any of the British rulers who were members of the House of Hanover". It carries 3 recorded senses.
a member (or supporter) of the house of Hanover
of or relating to the former English royal House of Hanover or their supporters
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for hanoverian come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.