'Benefactress' definitions:

Definition of 'benefactress'

(from WordNet)
noun
A woman benefactor

Definition of 'Benefactress'

From: GCIDE
  • Benefactress \Ben`e*fac"tress\, n. A woman who confers a benefit. [1913 Webster]
  • His benefactress blushes at the deed. --Cowper. [1913 Webster]