'Britisher' definitions:

Definition of 'Britisher'

From: WordNet
noun
A native or inhabitant of Great Britain [syn: Britisher, Briton, Brit]

Definition of 'Britisher'

From: GCIDE
  • Britisher \Brit"ish*er\, n. An Englishman; a subject or inhabitant of Great Britain, esp. one in the British military or naval service. [Now used jocosely] [1913 Webster]