Eunuch
Eunuch
A eunuch is a castrated human male — that is, a man who has had his testicles removed. The term eunuch can also refer to a man whose penis and testicles have been removed, or even to one who has had only his penis cut off. But while all of these conditions can be referred to as Castration, a man is not a true eunuch as long as his testicles remain intact. As long as the testes function, his body will continue to produce testosterone as well as sperm and he will still (theoretically) be capable of fathering children. In short, a eunuch might be able to get an erection, but he will never be able to reproduce.
The word eunuch comes from the Greek word “eunouchos” and the Latin word “eunuchus” — both meaning “keeper of the bedchamber”. And while the word may have originally referred to a person filling this specific career description, the more relevant concept contained within the word is “one who can be trusted to watch over the inner household”. Or more to the point, a male servant who won’t let anyone (including himself) knock up your wife and daughter while you’re away.