Genesis 40:2סָרִיסָיו
Pharaoh was angry with his two officers, the chief cupbearer and the chief baker,
2 Kings 9:32סָרִיסִים
He looked up at the window and called out, “Who is on my side? Who?” And two or three eunuchs looked down at him.
Esther 1:10הַסָּרִיסִים
On the seventh day, when the king’s heart was merry with wine, he ordered the seven eunuchs who served him—Mehuman, Biztha, Harbona, Bigtha, Abagtha, Zethar, and Carkas—
Isaiah 39:7סָרִיסִים
And some of your descendants, your own flesh and blood, will be taken away to be eunuchs in the palace of the king of Babylon.”
Jeremiah 29:2וְהַסָּרִיסִים
(This was after King Jeconiah, the queen mother, the court officials, the officials of Judah and Jerusalem, the craftsmen, and the metalsmiths had been exiled from Jerusalem.)
Daniel 1:3סָרִיסָיו
Then the king ordered Ashpenaz, the chief of his court officials, to bring in some Israelites from the royal family and the nobility—

Brown-Driver-Briggs

סָרִיס 45 n.m. eunuch

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.