The Collaborative International Dictionary of English v.0.48:
Hippoboscidae \Hippoboscidae\ n. A natural family of winged or wingless dipterans: louse flies. Syn: family Hippoboscidae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Hippoboscidae n 1: winged or wingless dipterans: louse flies [syn: Hippoboscidae, family Hippoboscidae]