WordNet (r) 3.0 (2006):

Ashur
    n 1: chief god of the Assyrians; god of military prowess and
         empire; identified with Babylonian Anshar [syn: Ashur,
         Ashir]
    2: an ancient Assyrian city on the Tigris and traditional
       capital of Assyria; just to the south of the modern city of
       Mosul in Iraq [syn: Assur, Asur, Ashur]

Hitchcock's Bible Names Dictionary (late 1800's):

Ashur, who is happy; or walks; or looks