Noun: car horn
- A device on an automobile for making a warning noise
"He honked the car horn to alert the pedestrian";
- automobile horn, motor horn, horn, hooter
Derived forms: car horns
Type of: alarm, alarm system, warning device
Part of: auto [informal], autocar [archaic], automobile [N. Amer], car, motor [Brit, informal], motorcar, wheel [informal], whip [US, informal]
Encyclopedia: Car horn