small arm

a portable weapon from which a shot is discharged by gunpowder <the soldiers keep their small arms securely in their holsters when not on patrol> Synonyms arm, firearm, heat [slang], piece, gunRelated Words derringer, forty-five (or .45), gat [slang], handgun, pistol, revolver, rod [slang], roscoe [slang], sidearm, six-gun, six-shooter, zip gun; self-loader, semiautomatic; blunderbuss, breechloader, culverin, fieldpiece, firelock, flintlock, harquebus (or arquebus), matchlock, musket, rifle, shotgun, smoothbore, twenty-two (or .22); AK-47, assault rifle, assault weapon, automatic, carbine, machine gun, machine pistol, repeater, submachine gun, tommy gun; speargun