\Bat"ter*ing-ram`\, n. 1. (Mil.) An engine used in ancient times to beat down the walls of besieged places. Note: It was a large beam, with a head of iron, which was sometimes made to resemble the head of a ram. It was suspended by ropes to a beam supported by posts, and so balanced as to swing backward and forward, and was impelled by men against the wall. --Grose. 2. A blacksmith's hammer, suspended, and worked horizontally.
(Ezek. 4:2; 21:22), a military engine, consisting of a long beam of wood hung upon a frame, for making breaches in walls. The end of it which was brought against the wall was shaped like a ram's head.