1. (

• horn ,

) a noisemaker (as at parties or games) that makes a loud noise when you blow through it ;

2. (

• horn ,

) one of the bony outgrowths on the heads of certain ungulates ;

3. (

• horn ,

) a noise made by the driver of an automobile to give warning ;

4. (

• horn ,
• saddle_horn

) a high pommel of a Western saddle (usually metal covered with leather) ;

5. (

• cornet ,
• horn ,
• trumpet ,
• trump ,

) a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves ;

6. (

• horn ,

) any hard protuberance from the head of an organism that is similar to or suggestive of a horn ;

7. (

• horn

) the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails ;

8. (

• horn ,

) 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. (

• horn ,

) an alarm device that makes a loud warning sound ;

10. (

• French_horn ,
• horn

) a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves ;

11. (

• automobile_horn ,
• car_horn ,
• motor_horn ,
• horn ,
• hooter

) a device on an automobile for making a warning noise ;

1. (

• horn ,
• tusk

) stab or pierce with a horn or tusk; "the rhino horned the explorer" ;