0 a short sound made by a car horn -- colpo di clacson, strombazzata
1 to make a short sound with your car’s horn -- suonare il clacson
2 (a sound like) the cry of a goose or the sound of a motor-car horn. -- (richiamo dell’oca); (colpo di clacson)
3 to make such a noise -- suonare (il clacson); gridare