horn

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

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

one of the bony outgrowths on the heads of certain ungulates

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

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

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

stab or pierce with a horn or tusk

“the rhino horned the explorer”

a device on an automobile for making a warning noise

a device having the shape of a horn

“horns at the ends of a new moon”

an alarm device that makes a loud warning sound