• synonyms

caddis fly

  1. any small mothlike insect of the order Trichoptera, having two pairs of hairy wings and aquatic larvae (caddis worms)
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Word Origin

C17: of unknown origin
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

Examples from the Web for caddis fly

Historical Examples

  • Every fisherman knows the Caddis-worm, which is the larval form of the Caddis-fly.

    Old Flies in New Dresses

    Charles Edward Walker

  • Every good disciple of Walton and lover of the “gentle art” knows the value of the Caddis-fly, or Water-moth, as bait.

  • Here is a caddis-fly now, its gauzy wings folded tentwise over its back.