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 资深译员玉晶,毕业于国内顶尖的高级翻译学院,擅长翻译各类与环境、安全与健康相关的法律文件。