Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having no rifling within the barrel. Used of a firearm.
  • noun A firearm having no rifling.

from The Century Dictionary.

  • Smooth-bored; not rifled: as, a smooth-bore gun. Compare choke-bore.
  • noun A firearm with a smooth-bored barrel; in contradistinction to rifle, or rifled gun.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Gun.) Having a bore of perfectly smooth surface; -- distinguished from rifled.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective firearms having a bore with a smooth interior, ie. one that has not been rifled
  • noun firearms a cannon, gun or other firearm that has an unrifled barrel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of a firearm; not having rifling or internal spiral grooves inside the barrel
  • noun a firearm that has no rifling

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

smooth +‎ bore

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Examples

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  • Tucker Carlson :-/

    August 5, 2022