1 one of the hard pointed things that some animals have on their heads （某些动物的）角 ☞pictures at cow and goat 见cow及goat插图

2 the thing in a car, etc that gives a loud warning sound （汽车等的）喇叭: Don't sound your horn late at night. 别在深夜鸣喇叭。 ☞picture at car 见car插图

3 one of the family of metal musical instruments that you play by blowing into them （乐器中的）号: the French horn 法国号 ☞Look at the note at piano. 参看piano的注释。 ☞picture at music 见music插图