Bulwark

5 passages listed in Nave’s Topical Bible and Torrey’s New Topical Textbook. Verse text: Berean Standard Bible; links open in your translation.

Figurative

Psalm 48:13 consider her ramparts, tour her citadels, that you may tell the next generation.
Isaiah 26:1 In that day this song will be sung in the land of Judah: We have a strong city; salvation is established as its walls and ramparts.

Deuteronomy 20:20 But you may destroy the trees that you know do not produce fruit. Use them to build siege works against the city that is waging war against you, until it falls.
2 Chronicles 26:15 And in Jerusalem he made skillfully designed devices to shoot arrows and catapult large stones from the towers and corners. So his fame spread far and wide, for he was helped tremendously until he became powerful.
Ecclesiastes 9:14 There was a small city with few men. A mighty king came against it, surrounded it, and built large siege ramps against it.