Warhorse (noun)

  1. A horse that has been trained and used for battle or warfare.
  2. A person or thing that has been in service for a long time and is experienced and reliable.

Origin:

Middle english, from old english wærhors, from wær war + hors horse.

Examples:

  1. The knight rode his trusty warhorse into battle.
  2. The warhorse was a fierce and powerful animal, feared by the enemy.
  3. The general was a warhorse of the army, having served in many battles.
  4. The company's flagship product was a warhorse, having been in the market for over a decade.
  5. The musician's band was a warhorse of the music scene, having played together for many years.
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