Bible Dictionaries
Cannelure

Webster's Dictionary

(n.) A groove in any cylinder; specif., a groove around the cylinder of an elongated bullet for small arms to contain a lubricant, or around the rotating band of a gun projectile to lessen the resistance offered to the rifling. Also, a groove around the base of a cartridge, where the extractor takes hold.

Bibliography Information
Webster, Noah. Entry for 'Cannelure'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/cannelure.html. 1828.