{ Cad"dice, Cad"dis } (?), n. [Prov. E. caddy, cadew; cf. G. köder bait.] (Zoöl.) The larva of a caddice fly. These larvæ 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(Zoöl.), a species of trichopterous insect, whose larva is the caddice.