ARPHAXAD . 1 . A king of the Medes ( Jdt 1:1 ff.). He reigned at Ecbatana, which he strongly fortified. Nebuchadrezzar, king of Assyria, made war upon him, defeated him, and put him to death. 2 . The spelling of Arpachshad in AV [Note: Authorized Version.] , and at Luke 3:36 by RV [Note: Revised Version.] also. See Arpachshad.