Battering ram
WordNet

noun


(1)   A ram used to break down doors of fortified buildings
WiktionaryText

Etymology


The heads of some battering rams were carved in the shape of a ram, an animal renowned for butting with its head.

Noun


battering ram (plural battering rams)
  1. (also ram) A heavy object used for battering down walls before gunpowder was known in Europe.
  2. This object borne as a charge in a coat of arms.
 
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