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spongefly

American  
[spuhnj-flahy] / ˈspʌndʒˌflaɪ /

noun

PLURAL

spongeflies

  1. any of several insects of the family Sisyridae, the aquatic larvae of which feed on freshwater sponges.

Etymology

Origin of spongefly

sponge + fly 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.