blackfly

noun black·fly \ ˈblak-ˌflī \
|Updated on: 4 Jun 2018

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

Recent Examples of blackfly from the Web

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First Known Use of blackfly

15th century

in the meaning defined above

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BLACKFLY Defined for English Language Learners

blackfly

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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