| Noun | 1. | horn - a noisemaker (as at parties or games) that makes a loud noise when you blow through itgame - a contest with rules to determine a winner; "you need four people to play this game" noisemaker - a device (such as a clapper or bell or horn) used to make a loud noise at a celebration | |
| 2. | horn - one of the bony outgrowths on the heads of certain ungulatesantler - deciduous horn of a member of the deer family bull - uncastrated adult male of domestic cattle tup, ram - uncastrated adult male sheep; "a British term is `tup'" caprine animal, goat - any of numerous agile ruminants related to sheep but having a beard and straight horns bone, os - rigid connective tissue that makes up the skeleton of vertebrates appendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant; "a bony process" | |
| 3. | horn - a noise made by the driver of an automobile to give warning; | |
| 4. | horn - a high pommel of a Western saddle (usually metal covered with leather) | |
| 5. | horn - a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valvesbrass - a wind instrument that consists of a brass tube (usually of variable length) blown by means of a cup-shaped or funnel-shaped mouthpiece serpent - an obsolete bass cornet; resembles a snake | |
| 6. | horn - any outgrowth from the head of an organism that resembles a hornappendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant; "a bony process" | |
| 7. | horn - the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nailsceratin, keratin - a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves baleen, whalebone - a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets tortoiseshell - the mottled horny substance of the shell of some turtles | |
| 8. | horn - an alarm device that makes a loud warning soundfoghorn - a warning device consisting of a horn that generates a loud low tone claxon, klaxon - a kind of loud horn formerly used on motor vehicles shofar, shophar - an ancient musical horn made from the horn of a ram; used in ancient times by the Israelites to sound a warning or a summons; used in synagogues today on solemn occasions | |
| 9. | horn - a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valvesbrass - a wind instrument that consists of a brass tube (usually of variable length) blown by means of a cup-shaped or funnel-shaped mouthpiece | |
| 10. | horn - a device on an automobile for making a warning noisehorn button - a button that you press to activate the horn of an automobile | |
| Verb | 1. | horn - stab or pierce with a horn or tusk; "the rhino horned the explorer"pierce, thrust - penetrate or cut through with a sharp instrument | |