去勢

(1)a man who has been castrated and is incapable of reproduction; "eunuchs guarded the harem"

(2)去勢されて生殖能力のない男性

(3)serious weakening and loss of energy

(4)ひどく弱って活力を失うこと

(5)the sterilization of an animal; "they took him to the vet for neutering"

(6)動物の不妊化

(7)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"

(8)（一般に女性の乳癌あるいは男性の前立腺癌の場合にホルモン分泌を抑制するための）睾丸あるいは卵巣の外科的な除去

(9)neutering a male animal by removing the testicles

(10)オスから睾丸を取り除くことにより中性化すること