Horseflesh \Horse"flesh`\, n. 1. The flesh of horses. Syn: horsemeat. [1913 Webster] The Chinese eat horseflesh at this day. --Bacon. [1913 Webster] 2. Horses, generally; the qualities of a horse; as, he is a judge of horseflesh. [Colloq.] [1913 Webster] {Horseflesh ore} (Min.), a miner's name for bornite, in allusion to its peculiar reddish color on fresh facture. [1913 Webster]