Blun"der*buss (?), n. [Either fr. blunder + D. bus tube, box, akin to G. buchse box, gun, E. box; or corrupted fr. D. donderbus (literally) thunder box, gun, musket.]
1.
A short gun or firearm, with a large bore, capable of holding a number of balls, and intended to do execution without exact aim.
2.
A stupid, blundering fellow.
© Webster 1913.