'Wall' in the Bible

having a great and high wall; having twelve gates, and at the gates twelve angels, and names inscribed, which are those of the twelve tribes of the sons of Israel.

And the wall of the city had twelve foundations, and on them twelve names of the twelve apostles of the Lamb.

And he that spoke with me had a golden reed as a measure, that he might measure the city, and its gates, and its wall.

And he measured its wall, a hundred and forty-four cubits, a man's measure, that is, the angel's.

And the building of its wall was jasper; and the city pure gold, like pure glass:

the foundations of the wall of the city were adorned with every precious stone: the first foundation, jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;