noun
definition
A cannon, gun or other firearm that has an unrifled barrel.
adjective
definition
Having a bore with a smooth interior, ie. one that has not been rifled
Examples of smoothbore in a Sentence
On the 9th the admiral received a report that working parties had been seen in Fort Silsileh parbuckling two smoothbore gunsapparently 32-pounderstowards their respective carriages and slides, which were facing in the direction of the harbour.
Brown Bess Nickname of the British smoothbore musket, originally applied to the Long Land Pattern musket.
Weapon No 241 Pistol Single Shot.410 inch Caliber This Belgian single action pistol has a smoothbore barrel.