castration

noun

1.
neutering a male animal by removing the testicles
gelder emasculation
Derived from:
castrate
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)
Derived from:
castrate
3.
the deletion of objectionable parts from a literary work
expurgation
Derived from:
castrate