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Meaning of battering ram

bat'tering ram"

Pronunciation: [key]
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.