- horse tick, horsefly, Hippobosca equina - winged fly parasitic on horses
--1 is a kind of gadfly; louse fly, hippoboscid
--1 is a member ofTabanidae, family Tabanidae; 1 of 2 senses of horsefly ; horse tick, horsefly, Hippobosca equina; Hippobosca, genus Hippobosca