thoroughbreds

/TH ER1 OW0 B R EH1 D Z/
noun
  1. 1

    A horse of a breed derived from crosses between Arabian stallions and English mares, bred for racing. (usually capitalized: Thoroughbred.)

  2. 2

    Any purebred horse.

  3. 3

    A person of uncommon strength or endurance (like that of a thoroughbred horse).

    โ€œThat athlete is a real thoroughbred.โ€

  4. 4

    A well-bred person.

Source: https://en.wiktionary.org/wiki/thoroughbred, https://en.wiktionary.org/wiki/thoroughbreds