Cad"dice, Cad"dis (?), n. [Prov. E. caddy, cadew; cf. G. koder bait.] Zool.
The larva of a caddice fly. These larvae generally live in cylindrical cases, open at each end, and covered externally with pieces of broken shells, gravel, bits of wood, etc. They are a favorite bait with anglers. Called also caddice worm, or caddis worm.
Caddice fly Zool., a species of trichopterous insect, whose larva is the caddice.
© Webster 1913.