Flintlock (noun)

1. A type of firearm mechanism that uses a flint to strike a steel frizzen to ignite the gunpowder and fire the bullet.
2. A type of gun that uses the flintlock mechanism.

Origin:

The word flintlock is derived from the combination of the words "flint" and "lock" which refers to a type of firearm mechanism that uses a flint to strike a steel frizzen to ignite the gunpowder and fire the bullet.

Examples:

1. The flintlock was the most common type of gun used in the 18th century.
2. The flintlock was a reliable and widely-used mechanism in the days of the American Revolution.
3. He was fascinated by the flintlock, and spent hours studying how it worked.
4. The flintlock was a precursor to the more modern percussion lock.
5. He was proud of his collection of flintlock pistols, which he had acquired over many years.