horn -- (a noisemaker (as at parties or games) that makes a loud noise when you blow through it)
horn -- (one of the bony outgrowths on the heads of certain ungulates)
horn -- (a noise made by the driver of an automobile to give warning;)
horn, saddle horn -- (a high pommel of a Western saddle (usually metal covered with leather))
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)
horn -- (any hard protuberance from the head of an organism that is similar to or suggestive of a horn)
horn -- (the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails)
horn -- (a device having the shape of a horn; "horns at the ends of a new moon"; "the hornof an anvil"; "the cleat had two horns")
horn -- (an alarm device that makes a loud warning sound)
French horn, horn -- (a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves)