'Wall' in the Bible

Then the king of Moab took his eldest son, who was to reign in his place, and offered him [publicly] as a burnt offering [to Chemosh] on the [city] wall [horrifying everyone]. And there was great wrath against Israel, and Israel’s allies [Judah and Edom] withdrew from King Jehoram and returned to their own land.

As the king of Israel (Jehoram) was passing by on the [city] wall a woman cried out to him, “Help, my lord, O king!”

When the king heard the woman’s words, he tore his clothes—now he was still walking along on the wall—and the people looked [at him], and he had on sackcloth underneath [his royal robe] next to his skin.

And he said, “Throw her down.” So they threw her down, and some of her blood spattered on the wall and on the horses, and he trampled her underfoot.

Then Jehoash king of Israel captured Amaziah the king of Judah, the son of Jehoash (Joash), the son of Ahaziah, at Beth-shemesh, and came to Jerusalem and broke through the wall of Jerusalem from the Gate of Ephraim to the Corner Gate, 400 cubits (600 feet).

Then Eliakim the son of Hilkiah, and Shebna and Joah, said to the Rabshakeh, “Please speak to your servants in the Aramaic (Syrian) language, because we understand it; and do not speak with us in the Judean (Hebrew) language in the hearing of the people who are on the wall.”

But the Rabshakeh said to them, “Has my master sent me only to your master and to you to say these things? Has he not sent me to the men who sit on the wall, [who are doomed by the siege] to eat their own excrement and drink their own urine along with you?”

Then Hezekiah turned his face to the wall and prayed to the Lord, saying,