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caddisfly

or cad·dice·fly

[ kad-is-flahy ]
/ ˈkæd ɪsˌflaɪ /
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noun, plural cad·dis·flies.
any of numerous aquatic insects constituting the order Trichoptera, having two pairs of membranous, often hairy wings and superficially resembling moths.
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Compare caddisworm.

Origin of caddisfly

First recorded in 1780–90; see origin at caddisworm, fly1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use caddisfly in a sentence

British Dictionary definitions for caddisfly

caddis fly

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

Word Origin for caddis fly

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
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