caddisfly

or cad·dice·fly

[ kad-is-flahy ]

noun,plural cad·dis·flies.
  1. any of numerous aquatic insects constituting the order Trichoptera, having two pairs of membranous, often hairy wings and superficially resembling moths.

Origin of caddisfly

1
First recorded in 1780–90; see origin at caddisworm, fly1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use caddisfly in a sentence

British Dictionary definitions for caddis fly

caddis fly

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

Origin of caddis fly

1
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