1. A metal cap or band placed on a wooden pole to prevent splitting
   "He replaced the worn collet on his walking stick";
   - ferrule
    
2. A cone-shaped chuck used for holding cylindrical pieces in a lathe
   "The machinist secured the metal rod in the collet chuck before starting the lathe";
   - collet chuck
    
3. A band or collar that holds an individual stone in a jewellery setting
   "The jeweller carefully adjusted the collet to secure the diamond in place"

Derived forms: collets

Type of: band, cap, chuck

Part of: mounting

Encyclopedia: Collet, David