1. 
   racehorse
   [n] - a horse bred for racing
   Found op http://www.webdictionary.co.uk/definition.php?query=racehorse
   
   
2. 
   racehorse
   race horse noun a horse bred for racing
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=racehorse
   
   
3. 
   racehorse
   (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 ...
   Found op http://www.britannica.com/eb/a-z/r/2
   
   
4. 
   Racehorse
   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...
   Found op http://www.probertencyclopaedia.com/browse/RR.HTM
   
   
5. 
   racehorse
   1) A horse bred for racing 2) Bangtail 3) Equus caballus 4) Horse 5) Mudder, but not fodder 6) Nag 7) Preakness entrant 8) Purse taker 9) Race horse 10) Risen star is one 11) Secretariat e.g. 12) Track runner
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/racehorse/1
   
   

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