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A short-barreled pistol that has a large bore and is small enough to be carried in a pocket.
[After Henry Deringer (1786-1868), American gunsmith.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Firearms, Gunnery, Ordnance & Artillery) a short-barrelled pocket pistol of large calibre
[C19: named after Henry Deringer, American gunsmith who invented it]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
der•rin•ger(ˈdɛr ɪn dʒər)
an early short-barreled pocket pistol.
[1850–55, Amer.; after Henry Deringer, mid-19th-century U.S. gunsmith]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
n → Derringer m or f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007