Flintlock

Origin

flint + lock

Full definition of flintlock

Noun

1. An early type of firearm, using a spring-loaded flint to strike sparks into the firing pan.
• 1879, Richard Jefferies, The Amateur Poacher Chapter 1, But then I had the flintlock by me for protection. ¶ There were giants in the days when that gun was made; for surely no modern mortal could have held that mass of metal steady to his shoulder.