blackfly

noun black·fly \ ˈblak-ˌflī \

Definition of blackfly

plural blackflies or blackfly
: any of various small dark-colored insects; especially : any of a family (Simuliidae and especially genus Simulium) of bloodsucking dipteran flies whose larvae usually live in flowing streams

First Known Use of blackfly

15th century


BLACKFLY Defined for English Language Learners

blackfly

noun

Definition of blackfly for English Language Learners

  • : a small fly that bites


Medical Dictionary

blackfly

noun black·fly \ ˈblak-ˌflī \

medical Definition of blackfly

plural blackflies
: any of a family (Simuliidae) and especially genus Simulium of bloodsucking dipteran flies

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