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battering ram

American  

noun

  1. an ancient military device with a heavy horizontal ram for battering down walls, gates, etc.

  2. any of various similar devices, usually machine-powered, used in demolition, by police and firefighters to force entrance to a building, etc.

battering ram British  

noun

  1. (esp formerly) a large beam used to break down the walls or doors of fortifications

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of battering ram

First recorded in 1605–15

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.