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.

firing pin

noun

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

Word History and Origins

Origin of firing pin¹

First recorded in 1870–75

Example Sentences

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

From Project Gutenberg

The frost-clogged firing pin did not respond, and the wolf, seeming to understand its peril, slunk away unharmed.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

Recognizing the situation at once, I rose up offhand and pulled, but the firing-pin failed.

From Project Gutenberg