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Noun: horn  horn
  1. One of the bony outgrowths on the heads of certain ungulates
  2. A device on an automobile for making a warning noise
    - automobile horn, car horn, motor horn, hooter
  3. A noise made by the driver of an automobile to give warning
  4. A high pommel of a Western saddle (usually metal covered with leather)
    - saddle horn
  5. A brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves
    - cornet, trumpet, trump [archaic]
  6. Any hard protuberance from the head of an organism that is similar to or suggestive of a horn
  7. The material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails
  8. A device having the shape of a horn
    "horns at the ends of a new moon"; "the horn of an anvil"; "the cleat had two horns"
  9. An alarm device that makes a loud warning sound
  10. A brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves
    - French horn
  11. (game) a noisemaker (as at parties or games) that makes a loud noise when you blow through it
Verb: horn  horn
  1. Stab or pierce with a horn or tusk
    "the rhino horned the explorer";
    - tusk

Derived forms: horned, horning, horns

Type of: alarm, alarm system, alarum [archaic], alert, animal material, appendage, brass, brass instrument, device, noisemaker, outgrowth, pierce, pommel, process, saddlebow, thrust, warning device, warning signal

Part of: auto [informal], autocar [archaic], automobile [N. Amer], bull, caprine animal, car, goat, motorcar, ram, stock saddle, tup [Brit], Western saddle, wheel [informal], whip [US, informal]

Encyclopedia: Horn, Rebecca