cannelure

noun

can·​ne·​lure

ˈkanᵊlˌ(y)u̇(ə)r

variants or channelure

ˈcha-

plural -s

1

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

2

a

: 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

Word History

Etymology

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

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