horn - definition and synonyms


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  1. 1

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    the object in a car or other vehicle that makes a loud warning noise when you press it
    sound/honk/beep your horn:

    A car sounded its horn at me.

  2. 2
    [countable] one of the hard pointed parts that usually grow in a pair on the heads of some animals, for example cows or goats. The horns on a deer are called antlers.
    1. a.
      [countable] one of the pointed parts on the heads of evil creatures such as the devil
    2. b.
      [uncountable] the hard substance that animalshorns are made of
  3. 3
    [countable] a musical instrument consisting of a tube that is wide at one end and that you play by blowing into the narrow end

    the French horn

    1. a.
      a simple instrument made from the horn of an animal that you blow to make a sound
  4. 4
    [countable] an object or shape that is narrow at one end and much wider at the other
See also