Rabsaris in Fausset's Bible Dictionary

1. Sent by Sennacherib with Tartan and Rabshakeh against Jerusalem (2 Kings 18:17). ("chief eunuch"), often a minister of state or a commander in expeditions (margin, 2 Kings 25:19). 2. One of Nebuchadnezzar's princes at the taking of Jerusalem under Zedekiah (Jeremiah 39:3; Jeremiah 39:13); probably a title of Nebushasban, i.e. worshipper of Nebo. (See NEBUSHASBAN.)