'Mounds' in the Bible

Behold, the siege ramps have reached the city to take it; and the city is given into the hand of the Chaldeans who fight against it, because of the sword, the famine and the pestilence; and what You have spoken has come to pass; and behold, You see it.

For thus says the Lord God of Israel concerning the houses of this city, and concerning the houses of the kings of Judah which are broken down to make a defense against the siege ramps and against the sword,