Derringer
/ˈderɪndʒər/
Definition 1 of 1
Pro Tip 1/3Historical Weapon
Originally a pocket pistol from the 1850s, often associated with the Wild West era. 
She admired the derringer, imagining it in a historic gunslinger's holster.
Pro Tip 2/3Concealment
Derringers are notable for being concealable, often used for self-defense. 
In his boot, he felt the reassuring presence of his derringer.
Pro Tip 3/3Minimal Capacity
Derringers generally have a limited ammo capacity, usually one or two shots. 
The derringer only had two shots, so he had to aim carefully.