American quarter horse

noun

Definition of American quarter horse 

: quarter horse The trio will ride American quarter horses, the oldest surviving American breed and also the most numerous, with 800,000 registered worldwide.— Anne Hart, Atlanta Journal-Constitution, 1 Aug. 1996 American quarter horses are the sport's drag racers—full of speed and power and always ready to run.— John Erardi, Cincinnati Enquirer, 11 Sept. 2008

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First Known Use of American quarter horse

1940, in the meaning defined above

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The first known use of American quarter horse was in 1940

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