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