We found 1 definitions of motor horn from 1 different sources.
Noun |
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motor horn - a device on an automobile for making a warning noise | ||
automobile horn, car horn, horn, hooter | ||
alarm system, warning device, alarm a device that signals the occurrence of some undesirable event | ||
auto, automobile, motorcar, car, machine a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work" |