smoothbore

[ smooth-bawr, -bohr ]
/ ˈsmuðˌbɔr, -ˌboʊr /

adjective

(of firearms) having a bore that is smooth; not rifled.

noun

a smoothbore gun.

Origin of smoothbore

First recorded in 1790–1800; smooth + bore2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for smoothbore

smoothbore
/ (ˈsmuːðˌbɔː) /

noun

(modifier) (of a firearm) having an unrifled borea smoothbore musket
such a firearm

Derived forms of smoothbore

smoothbored, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012