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