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

First Known Use of American quarter horse

1940, in the meaning defined above

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