or cad·dice


Origin of caddis

1570–80; probably < Middle French cadis kind of woolen cloth < Old Provençal < Catalan cadirs, of obscure origin; Middle English cadace, cadas material for padding doublets (< Anglo-French) is apparently a distinct word
Related formscad·dised, adjective



Origin of caddis

by shortening Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for caddis

Historical Examples of caddis

  • The Bushmen worshiped a Caddis worm and an antelope (a species of deer).

    Negro Folk Rhymes

    Thomas W. Talley

  • It put us in mind of the caddis worms which we had seen in ponds in England.

  • For the bundle of sticks is really a log house that the caddis has built for itself.

    Pond and Stream

    Arthur Ransome

  • It is a sort of cell, probably built by a species of caddis.

    Field and Hedgerow

    Richard Jefferies

  • The caddis worm does not forget its talents; but it lacks choice pieces.

    The Life of the Fly

    J. Henri Fabre

British Dictionary definitions for caddis



  1. a type of coarse woollen yarn, braid, or fabric
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for caddis

"larva of the May-fly," 1650s, of unknown origin, perhaps a diminutive of some sense of cad.

Online Etymology Dictionary, © 2010 Douglas Harper