pinfire

1 of 2

adjective

1

of a cartridge : having a movable pin projecting from the rim that when struck by a hammer explodes a cap encased in the cartridge

2

of a firearm : using a pinfire cartridge

pinfire

2 of 2

noun

"

: a pinfire firearm

Word History

Etymology

Adjective

pin entry 1 + fire, verb

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now