To deprive of the testicles; to emasculate; to geld; to alter.
- To remove the testicles of (a male); geld or emasculate.
- To remove the ovaries of (a female); spay.
- To deprive of virility or spirit; emasculate.
- An individual who is incapable of reproduction as a result of removal, destruction, or inactivation of the gonads.