1. Larva of the caddis fly; constructs a case of silk covered with sand or plant debris
   "Fly fishermen often imitate caddices in their lure designs";
   - caddisworm, strawworm, caddis worm, caddis
    
2. The aquatic larva of a caddisfly, typically living in a self-made protective case
   "caddice larvae are often used as fishing bait";
   - caddis
    
3. [archaic] A kind of worsted yarn, lace, or ribbon
   - caddis [archaic]

Derived forms: caddices

Type of: caseworm

Part of: order Trichoptera, Trichoptera