A male individual whose testes have been removed or have never developed. [G. eunouchos, chamberlain, fr. eune, bed, + echmacr; o, to have]
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eu·nuch 'yü-nək, -nik n a man or boy deprived of the testes or external genitals
eu·nuch·ism -.iz-əm n
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eu·nuch (uґnək) [Gr. eunouchos] a man or boy deprived of the testes or the external genital organs, especially one castrated before puberty so that male secondary sex characters fail to develop.Medical dictionary. 2011.