Căd'-bait or Căd'-dīçe or Căd'-dis, n.

n. [Prov. Eng. caddy, cadew, cod-bait, caulbote-fly, Ger. käder, käderle, allied to Ger. köder, bait.] (Entom.) The larva of the caddice-fly, a species of trichopterous insect, of the genus Phryganea. The larva generally lives in cylindrical cases, open at each end, made by itself, and covered externally with pieces of broken shells, gravel, bits of wood, &c. It is a favorite bait with anglers. Baird.