'Eunuchs' in the Bible

On the seventh day, when the heart of the king was merry with wine, he said to Mehuman, Biztha, Harbona, Bigtha, Abagtha, Zethar, and Carcas, seven of the eunuchs attending King Ahasuerus,

But Queen Vashti refused to come at the word of the king that [was] {conveyed by} the eunuchs. And the king became very angry, and his anger burned in him.

"According to [the] law, what is to be done with Queen Vashti, because she has not done the command of King Ahasuerus {conveyed by} the eunuchs?

In those days Mordecai [was] sitting at the gate of the king. Bigthana and Teresh, two of the king's eunuchs from the keepers of the threshold, became angry and they conspired {to assassinate} King Ahasuerus.

And Esther's maids and her eunuchs came and they told her, and the queen was deeply distressed; she sent garments to clothe Mordecai so that he might remove his sackcloth--but he did not accept [them].

Then Esther called Hathach from the king's eunuchs {who regularly attended to her}, and she ordered him [to go] to Mordecai to learn what was happening and why.

And it was found written how Mordecai had reported concerning Bigthana and Teresh, two of the king's eunuchs from the keepers of the threshold who had conspired {to assassinate} King Ahasuerus.

As they [were] still speaking with him the king's eunuchs arrived and hurried to bring Haman to the banquet that Esther had prepared.

And Habrona, one of the eunuchs in the presence of the king, said, "Look, the same gallows that Haman had prepared for Mordecai who spoke good [for the sake] of the king stands at Haman's house, fifty cubits high." And the king said, "Hang him on it."