firing pin

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

Origin of firing pin

First recorded in 1870–75

Words Nearby firing pin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use firing pin in a sentence

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

    Hidden Gold | Wilder Anthony
  • The frost-clogged firing pin did not respond, and the wolf, seeming to understand its peril, slunk away unharmed.

    The Gaunt Gray Wolf | Dillon Wallace
  • But the firing-pin is not the only means of exploding the torpedo.

    Inventions of the Great War | A. Russell (Alexander Russell) Bond
  • 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
  • Recognizing the situation at once, I rose up offhand and pulled, but the firing-pin failed.

British Dictionary definitions for firing pin

firing pin

  1. 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