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firing pin

noun Ordnance.
  1. 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. 2018

Examples from the Web for firing pin

Historical Examples of firing pin

  • His gun must have been tampered with, the firing-pin filed off perhaps.

    Astounding Stories of Super-Science, May, 1930

    Various

  • He took it from her and pointed out where it had been dented by the firing-pin.

    Hidden Gold

    Wilder Anthony

  • Such as are used in fixed ammunition and go off by the snap of the firing-pin.

    The Gunner's Examiner

    Harold E. Cloke

  • At the nose of the torpedo is a firing-pin, with which the war-head is exploded.

    Inventions of the Great War

    A. Russell (Alexander Russell) Bond

  • But the firing-pin is not the only means of exploding the torpedo.

    Inventions of the Great War

    A. Russell (Alexander Russell) Bond


British Dictionary definitions for firing pin

firing pin

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