1. smoothbore - Noun
2. smoothbore - Adjective
Having a bore of perfectly smooth surface; -- distinguished from rifled.
A smoothbore firearm.
Source: Webster's dictionaryBecause of this, military authorities saw no point in obtaining rifled field howitzers to replace their smoothbore counterparts but, instead, used rifled field guns to replace both guns and howitzers. Source: Internet
In most Western IFVs, the comparatively large smoothbore guns on the BMP and later variants of the Ratel have now been discarded in favour of smaller calibre autocannon. Source: Internet
Infantry warfare was quickly making the transition from the smoothbore muskets that won the Revolutionary War to “rifled” weapons that were more accurate, with greater range and firepower. Source: Internet
Its 120mm smoothbore cannon can fire a mix of rounds, from high explosive to armor-piercing sabot rounds. Source: Internet
I mostly hunt with a longbow or primitive flatbow, my gun hunting revolves around hunting with a flintlock rifle or smoothbore correct for the time period between 1765 and 1790, and the gear that goes with it. Source: Internet
Pelham started with two cannons—a 12-pounder Napoleon smoothbore and a rifled Blakely —but continued with only one after the latter was disabled by counter-battery fire. Source: Internet