Rabsaris

Smith’s Bible Dictionary · William Smith, F. N. Peloubet, M. A. Peloubet

(chief of the eunuchs).

An officer of the king of Assyria sent up with Tartan and Rabshakeh against Jerusalem in the time of Hezekiah. (2 Kings 18:17) (B.C. 713.)
One of the princes of Nebuchadnezzar, who was present at the capture of Jerusalem, B.C. 588. (Jeremiah 39:3,13) Rabsaris is probably rather the name of an office than of an individual.

In other dictionaries

William Smith; revised by F. N. Peloubet and M. A. Peloubet; CrossWire SWORD module Smith 1.3

Bible Strong digital edition from CrossWire module 1.3, based on the 1884 Peloubet revision with later digital enrichments preserved