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firing pin

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noun Ordnance.

a plunger in the firing mechanism of a firearm or cannon that strikes the cartridge primer, igniting the propelling charge.

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Origin of firing pin

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use firing pin in a sentence

British Dictionary definitions for firing pin

firing pin

noun

the part of the firing mechanism of a firearm that ignites the charge by striking the primer
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
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