- horn - a noisemaker (as at parties or games) that makes a loud noise when you blow through it
--1 is a kind of noisemaker
- horn - one of the bony outgrowths on the heads of certain ungulates
--2 is a kind of process, outgrowth, appendage
--2 is a part of ram, tup; goat, caprine animal; bull
--2 has substances: bone, os
--2 has particulars: antlerDerived form: verb horn1 - horn - a noise made by the driver of an automobile to give warning;
--3 is a kind of alarm, alert, warning signal, alarum
- horn, saddle horn - a high pommel of a Western saddle (usually metal covered with leather)
--4 is a kind of pommel, saddlebow
--4 is a part of stock saddle, Western saddle- 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
--5 is a kind of brass
--5 has particulars: serpent- horn - any outgrowth from the head of an organism that resembles a horn
--6 is a kind of process, outgrowth, appendage
Derived form: verb horn1 - horn - the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails
--7 is a kind of animal material
--7 has substances: keratin, ceratin
--7 has particulars: whalebone, baleen; tortoiseshell- horn - an alarm device that makes a loud warning sound
--8 is a kind of alarm, warning device, alarm system
--8 has particulars:air horn; foghorn; klaxon, claxon; shofar, shophar - French horn, horn - a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves
--9 is a kind of brass
- automobile horn, car horn, motor horn, horn, hooter - a device on an automobile for making a warning noise
--10 is a kind of alarm, warning device, alarm system
--10 is a part of car, auto, automobile, machine, motorcar
--10 has parts: horn button - horn - one of the bony outgrowths on the heads of certain ungulates