'Wall' in the Bible

At the same time came to them Tattenai, the governor beyond the River, and Shethar-bozenai, and their companions, and said thus unto them, Who gave you a decree to build this house, and to finish this wall?

Then asked we those elders, and said unto them thus, Who gave you a decree to build this house, and to finish this wall?

For we are bondmen; yet our God hath not forsaken us in our bondage, but hath extended lovingkindness unto us in the sight of the kings of Persia, to give us a reviving, to set up the house of our God, and to repair the ruins thereof, and to give us a wall in Judah and in Jerusalem.