Definition of "castrator"
One who castrates (gelds or neuters).
Quotations
“I remind myself,” McCleary says, unconvincingly, “that in medieval times, surgeons and dentists were classified under the sign of Mars along with butchers, barbers, tinkers, castrators of animals, murderers and hangmen.”
2007 January 7, Lauren Collins, “Faces of War”, in New York Times