smoothbore

smooth·bore

also smooth bore S0501300 (smo͞oth′bôr′)adj. Having no rifling within the barrel. Used of a firearm.n. A firearm having no rifling.

smoothbore

(ˈsmuːðˌbɔː) n1. (Firearms, Gunnery, Ordnance & Artillery) (modifier) (of a firearm) having an unrifled bore: a smoothbore musket. 2. (Firearms, Gunnery, Ordnance & Artillery) such a firearm ˈsmoothˌbored adj

smooth•bore

(ˈsmuðˌbɔr, -ˌboʊr)

adj. 1. (of a firearm) having a smooth bore; not rifled. n. 2. a smoothbore gun. [1790–1800]

Thesaurus

Noun	1.	smoothbore - a firearm that has no riflingfirearm, small-arm, piece - a portable gun; "he wore his firearm in a shoulder holster"
Adj.	1.	smoothbore - of a firearm; not having rifling or internal spiral grooves inside the barrelunrifled