black·fly | \ ˈblak-ˌflī 
\
\ plural blackflies or blackfly
Definition of 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
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More Definitions for blackfly
blackfly
nounEnglish Language Learners Definition of blackfly
: a small fly that bites
See the full definition for blackfly in the English Language Learners Dictionary
blackfly
nounblack·fly | \ ˈblak-ˌflī \
\ plural blackflies
Medical Definition of blackfly
: any of a family (Simuliidae) and especially genus Simulium of bloodsucking dipteran flies
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Time Traveler for blackfly
The first known use of blackfly was in the 15th century
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