horn

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

(noun) one of the bony outgrowths on the heads of certain ungulates.

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

(noun) a high pommel of a Western saddle (usually metal covered with leather). Synonyms: saddle horn.

(noun) a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves. Synonyms: cornet, trumpet, trump.

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

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

(noun) a device having the shape of a horn. Examples: "Horns at the ends of a new moon." "The hornof an anvil." "The cleat had two horns."

(noun) an alarm device that makes a loud warning sound.

(noun) a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves. Synonyms: French horn.

(noun) a device on an automobile for making a warning noise. Synonyms: automobile horn, car horn, motor horn, hooter.

(verb) stab or pierce with a horn or tusk. Synonyms: tusk. Example: "The rhino horned the explorer."