horsefly

• POS: Noun
• HYPHEN: horse=fly

CIDE DICTIONARY

horsefly, n. 

•  Any dipterous fly of the family Tabanidæ, that stings horses, and sucks their blood.  [1913 Webster]

  " 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."  [1913 Webster]
•  The horse tick or forest fly (Hippobosca).  [1913 Webster]

OXFORD DICTIONARY

horsefly, n. (pl. -flies) any of various biting dipterous insects of the family Tabanidae troublesome esp. to horses.