Definition of caddis fly
: any of an order (Trichoptera) of insects with four membranous usually hairy wings, vestigial mouthparts, slender many-jointed antennae, and aquatic larvae — compare caddisworm
Keep scrolling for more
Learn More About caddis fly
Dictionary Entries Near caddis fly
See More Nearby EntriesStatistics for caddis fly
Look-up Popularity
Cite this Entry
“Caddis fly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caddis%20fly. Accessed 19 Jun. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Keep scrolling for more
Test Your Vocabulary
Return of Name that Color!
-
- Name that color:
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share caddis fly
Time Traveler for caddis fly
The first known use of caddis fly was in 1735
See more words from the same year