The Collaborative International Dictionary of English v.0.48:
Hanover \Hanover\ n. the English royal house that reigned from 1714 to 1901. [WordNet 1.5]WordNet (r) 3.0 (2006):
Hanover n 1: a port city in northwestern Germany; formerly a member of the Hanseatic League [syn: Hannover, Hanover] 2: the English royal house that reigned from 1714 to 1901 (from George I to Victoria) [syn: Hanover, House of Hanover, Hanoverian line]