1. a metal band or ring used to hold a gemstone in jewelry
2. a sleeve or collar that holds a tool or workpiece in a machine
Usage: mechanical

Examples

• The diamond was secured in a gold collet setting.
• The jeweler carefully adjusted the collet around the emerald.
• The drill bit was held firmly in the machine’s collet.
• He tightened the collet to secure the cutting tool.
• The collet chuck provides precise grip on small parts.
• She admired the delicate collet work on the vintage ring.