noun can·ne·lure \ˈkanəlˌ(y)u̇(ə)r\
variants: or



Definition of cannelure



  1. 1 :  a groove running lengthwise on the surface of a cylinder or column

  2. 2a :  a groove around the cylinder of an elongated bullet for small arms to contain a lubricant b :  a groove around a bullet into which the edge of the cartridge case is crimped c :  a groove around the rotating band of a gun projectile to lessen the resistance offered to the rifling d :  a groove around the base of a cartridge where the extractor takes hold

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of cannelure

French cannelure, alteration of Middle French cannelature, from Old Italian cannellatura, probably from cannella small tube, cinnamon, from Medieval Latin canella — more at canella

Seen and Heard

What made you want to look up cannelure? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!