2 Samuel 5:9

fort = the "strong hold" of 2 Samuel 5:7 . Citadel.

round about = the wall, which was continued by Solomon (1 Kings 9:15 , 1 Kings 9:24 ; 1 Kings 11:27 ), afterward by Hezekiah (2 Chronicles 32:5 ), and extended by Manasseh (2 Chronicles 33:14 ).

Millo = the Millo, or the filling up: i.e. of the valley between Moriah and Jebus.