εὐνοῦχος, -ου, ὁ
(i.e. ὁ τὴν εὐνὴν(bed) ἔχων), [in LXX for סָרִיס (perhaps not of necessity an actual eunuch; DB, see word), Gen.39:1, al., Wis.3:14, Sir.20:4 30:20 ;]
an emasculated man, a eunuch: Mat.19:12; one such holding, as was common, high office, as of chamberlain, at court, Act.8:27, 34-39; metaphorically, of one naturally incapacitated for or voluntarily abstaining from wedlock, Mat.19:12.†
(AS)