Source : Webster's Revised Unabridged Dictionary (1913)

Horseflesh \Horse"flesh`\, n.
   1. The flesh of horses.

            The Chinese eat horseflesh at this day. --Bacon.

   2. Horses, generally; the qualities of a horse; as, he is a
      judge of horseflesh. [Colloq.]

   {Horseflesh ore} (Min.), a miner's name for bornite, in
      allusion to its peculiar reddish color on fresh facture.

Source : WordNet®

horseflesh
     n : the flesh of horses as food [syn: {horsemeat}]