1) Affirmed or Assault 2) Bangtail 3) Bellmont Stakes entry 4) Cigar 5) Daily double choice 6) Equus caballus 7) Horse 8) Jockey carrier 9) Mudder who likes fodder 10) Mudder, but not fodder 11) Omaha 12) One with a blazing saddle 13) Preakness entrant 14) Purse taker 15) Race horse 16) Risen star is one 1) Arab 2) Bangtail 3) Mudder 4) Pacer 
(from the article `exercise-induced pulmonary hemorrhage`) disease condition in horses in which blood appears in the airways during and after strenuous exercise. More than 80 percent of racehorses, including ...
HMS Racehorse was a British Rotherham Class destroyer of 1705 tons displacement launched in 1942. HMS Racehorse was powered by two Admiralty 3-drum type boilers providing a top speed of 34 knots. She was armed with four 4.7 inch guns; four 2 pdr pom-pom guns; eight 20 mm anti-aircraft guns and eight 21 inch torpedo tubes.
[n] - a horse bred for racing
race horse noun a horse bred for racing