The Collaborative International Dictionary of English v.0.48:

Englishwoman \Eng"lish*wom`an\, n.; pl. Englishwomen.
   Fem. of Englishman. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Englishwoman
    n 1: a woman who is a native or inhabitant of England