Battering-ram in the Bible

2 Samuel 20:15 And they came and besieged him in Abel of Bethmaachah, and they cast up a bank against the city, and it stood in the trench: and all the people that were with Joab battered the wall, to throw it down.
Ezekiel 4:2 And lay siege against it, and build a fort against it, and cast a mount against it; set the camp also against it, and set battering rams against it round about.
Ezekiel 21:22 At his right hand was the divination for Jerusalem, to appoint captains, to open the mouth in the slaughter, to lift up the voice with shouting, to appoint battering rams against the gates, to cast a mount, and to build a fort.