1) Arthropod family 2) Family tabanidae 3) Horseflies 
A family of bloodsucking flies that includes the genera Tabanus (horsefly) and Chrysops (deerfly and mango fly), which are involved in transmission of several blood-borne parasites. ... Origin: L. Tabanus, gadfly ... (05 Mar 2000) ... 
Type: Term Pronunciation: tă-ban′i-dē Definitions: 1. A family of bloodsucking flies that includes the genera Tabanus (horsefly) and Chrysops (deerfly and mango fly), which are involved in transmission of several blood-borne parasites.
[n] - horseflies
family Tabanidae noun horseflies