- Historical a kind of musket with a short barrel, large bore, and a broad, flaring muzzle, accurate only at close range
- a person who blunders
Origin of blunderbussDutch donderbus ; from donder, thunder + bus, gun (orig., box or tube): altered by associated, association with blunder
- A short musket of wide bore and flaring muzzle, formerly used to scatter shot at close range.
- A person regarded as clumsy and stupid.
Origin of blunderbussAlteration of Dutch donderbus : donder, thunder (from Middle Dutch doner; see (s)ten&schwa;- in Indo-European roots) + bus, gun (from Middle Dutch busse, tube, from Latin buxis, box; see box1).