1. Remove the testicles of a male animal
   "They evirated the bull to make it more docile";
   - emasculate [archaic], castrate, demasculinize, demasculinise [Brit]
    
2. Deprive of masculinity or male identity; make weak and unmanly
   - emasculate

Derived forms: evirating, evirated, evirates

Type of: desex, desexualise [Brit], desexualize, fix, sterilise [Brit], sterilize, unsex