'Rampart' in the Bible

And the army of Joab came and besieged Sheba in Abel Beth-maacah, and they built up an assault ramp against the city, and it stood against the outer rampart; and all the people who were with Joab were wreaking destruction to make the wall fall.

The Lord determined to lay in ruinsThe [city] wall of the Daughter of Zion.He has stretched out a line,He has not stopped His hand from destroying.He has caused the rampart and the wall to lament (mourn in grief);They have languished together.

Are you better than Thebes,Which was situated by the waters of the Nile,With water surrounding her,Whose defense was the sea (the Nile),Whose wall consisted of the sea?