Probably the same with Circesium or Circusium, a fortified city on the west of the Euphrates, where the river Chaboras enters it. In Isaiah 10:9 , it appears as taken by some king of Assyria. It was attacked by Pharaohnecho king of Egypt, near the close of king Josiah's reign, 2 Chronicles 35:20 . Five years afterwards Necho was signally defeated by Nebuchadnezzar, Jeremiah 46:1-12 . In later times was held as a frontier post of the Roman empire on the east.