firearmglossary / FIREARM firearm. A weapon that expels a projectile (such as a bullet or pellets) by the combustion of gunpowder or other explosive. [Cases: Weapons8. C.J.S. Weapons §§ 13–15.] 词条贡献者 法律翻译Jian,毕业于新加坡知名法学院,专注翻译各类与证券诉讼有关的法律文件。