cannelure(redirected from cannelures)
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A groove around the cylinder of a bullet.
[French, alteration of cannelature, from Old Italian cannellatura, from cannello, small tube; see cannelloni.]
(Firearms, Gunnery, Ordnance & Artillery) a groove or fluting, esp one around the cylindrical part of a bullet
[C18: from French, ultimately from Latin canālis canal]