1. Plural of cannelure; grooves or flutes running lengthwise along a column, shaft, or cylindrical object.
Usage: architecture; technical
2. In firearms, grooves or channels cut into the surface of a bullet or cartridge casing.
Usage: ballistics; technical

Examples

• The classical columns featured deep cannelures that cast dramatic shadows.
• The architect specified twenty cannelures on each pillar to match the original design.
• The rifle's ammunition featured cannelures to improve grip and feeding.
• Cannelures on the cartridge casing help secure the bullet in place.
• The decorative cannelures on the shaft added both beauty and structural interest.