firelock noun. ['fʌɪǝlɒk] M16.
[from FIRE noun + LOCK noun².]
Hist.
1. A gunlock in which sparks were produced by friction or percussion to ignite the priming. M16.

2. A musket having this type of lock. L16.

3. A soldier armed with such a weapon. M17.

[TahlilGaran] English Dictionary ▲