alderfly

noun
al·​der·​fly | \ ˈȯl-dər-ˌflī \

Definition of alderfly

: any of numerous insects (order Megaloptera) of the genus Sialis or related genera having aquatic larvae that are used for bait — compare dobsonfly

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First Known Use of alderfly

1828, in the meaning defined above

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The first known use of alderfly was in 1828

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Dictionary Entries Near alderfly

alder flea beetle

alderfly

alder flycatcher

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Cite this Entry

“Alderfly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alderfly. Accessed 28 Jan. 2022.

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