Horse"fly` (?), n.; pl. Horseflies ().

1. Zool.

Any dipterous fly of the family Tabanidae, that stings horses, and sucks their blood.

⇒ Of these flies there are numerous species, both in Europe and America. They have a large proboscis with four sharp lancets for piercing the skin. Called also breeze fly. See Illust. under Diptera, and Breeze fly.

2. Zool.

The horse tick or forest fly (Hippobosca).

 

© Webster 1913.

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