Also 7 cadice, cados, 7–8 cadis. [Of uncertain origin: see the equivalent CAD4; parallel forms are dial. cadew, caddy (pl. caddies), perh. a false singular, from caddi-s (used as sing. and pl. by Walton); possibly a genuine dim. of cad: the relations of the forms have not been made out.]
1. The larva of the May-fly and other species of Phryganea, which lives in water, and forms for itself a curious cylindrical case of hollow stems, small stones, etc.; it is used as a bait by anglers.
1651. T. Barker, Art of Angling (1653), 9. Gentles, Paste, or Cadice, which we call Cod-bait.
1653. Walton, Angler, 91. The May flie … is bred of the Cod-worm or Caddis. Ibid., 235. I have held you too long about these caddis.
1855. Kingsley, Glaucus (1878), 207. Those ‘caddises,’ which crawl on the bottom of the stiller waters, enclosed, all save the head and legs, in a tube of sand or pebbles.
1875. ‘Stonehenge,’ Brit. Sports, I. V. iii. § 12. Caddies, caterpillars and gentles.
2. Comb. caddis-bait, caddis-worm = prec.; caddis-fly, a Phryganea, as the May-fly.
1622. Peacham, Compl. Gentl., xxi. (1634), 253. Other wormes as the Bobbe, Cadis-worme, Canker or such like.
1658. Rowland, trans. Moufet’s Theat. Ins., 943. The great variety of those little Cados worms whereof they come.
1787. Best, Angling (ed. 2), 116. The Cadis-Fly … is a large four-winged fly, of a buff-colour.
1833. Proc. Berw. Nat. Club, I. No. 1. 20–1. Caddis bait, which is the larva of different species of phryganea.
1847. Carpenter, Zool., § 682. Caddice-flies … are very numerous in Britain; no fewer than 190 species having been described.
1863. Kingsley, Water-bab., iii. 90. The caddis-baits in that pool.
1875. Brande & Cox, Dict. Science, &c. I. 341. Different species of the Caddice-worm protect themselves by means of different materials.
