blunderbuss

[ bluhn-der-buhs ]
/ ˈblʌn dərˌbʌs /

noun

a short musket of wide bore with expanded muzzle to scatter shot, bullets, or slugs at close range.
an insensitive, blundering person.

Origin of blunderbuss

1645–55; < Dutch donderbus (equivalent to donder thunder + bus gun, box1) with donder replaced by blunder. See harquebus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for blunderbuss

blunderbuss

/ (ˈblʌndəˌbʌs) /

noun

an obsolete short musket with large bore and flared muzzle, used to scatter shot at short range
informal a clumsy unsubtle person

Word Origin for blunderbuss

C17: changed (through the influence of blunder) from Dutch donderbus; from donder thunder + obsolete bus gun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012