1 alderfly | Definition of alderfly

alderfly

noun
al·​der·​fly | \ ˈȯl-dÉ™r-ËŒflÄ«\

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

First Known Use of alderfly

1828, in the meaning defined above

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