usage: neutering a male animal by removing the testicles
2. castration, operation, surgery, surgical operation, surgical procedure, surgical process
usage: surgical removal of the testes or ovaries (usually to inhibit hormone secretion in cases of breast cancer in women or prostate cancer in men); "bilateral castration results in sterilization"
3. expurgation, castration, deletion
usage: the deletion of objectionable parts from a literary work