Castration

n. emasculation, sterilization, removal of the male glands

Castration (also referred as: gelding, neutering, orchiectomy, orchidectomy, and oophorectomy) is any action, surgical, chemical, or otherwise, by which a male loses the functions of the testes or a female loses the functions of the ovaries.
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Castration /cas·tra·tion/ excision of the gonads, or their destruction as by radiation or parasites. female castration bilateral oophorectomy. [more]Castration - Community and Resources

Noun
1. neutering a male animal by removing the testicles
(synonym) emasculation
(hypernym) neutering, fixing, altering
(derivation) emasculate, castrate, demasculinize, demasculinise
2. 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"
(hypernym) operation, surgery, surgical operation, surgical procedure, surgical process
(derivation) alter, neuter, spay, castrate
3. the deletion of objectionable parts from a literary work
(synonym) expurgation
(hypernym) deletion
(hyponym) bowdlerization, bowdlerisation
(derivation) bowdlerize, bowdlerise, expurgate, castrate, shorten

n. castration, emasculation