v. To lose, or to remove feminine characteristics or qualities
The Century Dictionary and Cyclopedia
To deprive of feminine qualities and tastes; affect with masculine notions or a liking for mannish modes of life and pursuits or an aversion to domestic life.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. remove the ovaries of (female mammals such as cats)
Word Usage
"You are correct in pointing out that in the frat-tastic jockocracy that is today's GOP, it is standard operating procedure to feminize male candidates and defeminize female candidates."