| n. | 1. | The act of castrating. |
| Noun | 1. | castration - neutering a male animal by removing the testicles Synonyms: emasculation |
| 2. | castration - 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. | castration - the deletion of objectionable parts from a literary work Synonyms: expurgation |