An exmaple of a derringer pistol.
derringer definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a small, short-barreled pistol
Origin: after Henry Deringer 1786-1868, United States gunsmith
derringer definition by American Heritage Dictionary
A short-barreled pistol that has a large bore and is small enough to be carried in a pocket.
Origin: After Henry Deringer (1786-1868), American gunsmith.