(Zool.), a small mothlike species of trichopterous insect, whose larva is the caddice; it has two pairs of hairy membranous wings and aquatic larvae. [ 1913 Webster + WordNet 1.5 ]

n. [ Written also caddy, cadie, cady, and cawdy. ] [ See Cadet. ] 1. A cadet. [ Obs. Scot. ] [ Webster 1913 Suppl. ]

2. A lad; young fellow. [ Scot. ] Burns. [ Webster 1913 Suppl. ]

3. One who does errands or other odd jobs. [ Scot. ] [ Webster 1913 Suppl. ]

4. An attendant who carries a golf player's clubs, tees his ball, etc. [ Webster 1913 Suppl. ]

{ } n. A Scotch errand boy, porter, or messenger. [ Written also cady. ] [ 1913 Webster ]

Every Scotchman, from the peer to the cadie. Macaulay. [ 1913 Webster ]

n. [ OE. caddas, Scot. caddis lint, caddes a kind of woolen cloth, cf. Gael. cada, cadadh, a kind of cloth, cotton, fustian, W. cadas, F. cadis. ] A kind of worsted lace or ribbon. “Caddises, cambrics, lawns.” Shak. [ 1913 Webster ]

{ } n. [ Prov. E. caddy, cadew; cf. G. köder bait. ] (Zool.) 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. [ 1913 Webster ]

n. same as caddice fly.
Syn. -- caddice fly, caddicefly. [ WordNet 1.5 ]

a. Like a cad; lowbred and presuming. [ 1913 Webster ]