01 n. Any dipterous fly of the family Tabanidae, that stings horses, and sucks their blood.
pl.
Horseflies ((hôrs"flīz`))
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1.
Any dipterous fly of the family Tabanidae, that stings horses, and sucks their blood.(Zool.)
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2.
The horse tick or forest fly (Hippobosca).(Zool.)