Source : Webster's Revised Unabridged Dictionary (1913)

Hippobosca \Hip`po*bos"ca\, n. [NL., fr. Gr. "i`ppos horse + ?
   to feed.] (Zo["o]l.)
   A genus of dipterous insects including the horsefly or horse
   tick. -- {Hip`po*bos"can}, a.