Webster's Revised Unabridged Dictionary · 1913

Eunuch

Eunuch , noun

[Latin eunuchus, Greek {not transcribed}, prop., keeping or guarding the couch; {not transcribed} couch, bed, + {not transcribed} to have, hold, keep.]

A male of the human species castrated; commonly, one of a class of such persons, in Oriental countries, having charge of the women's apartments. Some of them, in former times, gained high official rank.

Eunuch , transitive verb

[Latin eunuchare.]

To make a eunuch of; to castrate. as a man. — Creech. Sir. T. Browne

Also: Eunuchate