cannelure

Borrowed from French cannelure.

cannelure (plural cannelures)

1. (firearms) A ringlike groove, such as that 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.

• US Army Dictionary

• uncleaner

Middle French, first attested in 1545 as canneleüre; from canneler (“provide with a channel”), from canne.

• IPA^(key): /kan.lyʁ/

cannelure f (plural cannelures)

1. groove (linear indent)
2. (botany) striation (on a plant)

• Oxford English Dictionary, 1884–1928, and First Supplement, 1933.

• “cannelure” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).