A kind of short-barreled pocket pistol, of very large caliber, often carrying a half-ounce ball.
A generic term applied to a variety of pistols that are designed to be kept in a pocket. Originally associated with small handguns designed by Henry Derringer.
A common generic term used to describe small short barrelled percussion or cartridge pistols usually break open types with one or two barrels. From the original maker of these types of pistols HENRY DERINGER (one R only) about 1850.