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English definition of “horn”

horn

noun [C] (VEHICLE)    /hɔːn/ US  /hɔːrn/
B2 a device on a vehicle that is used to make a loud noise as a warning or signal to other people : The driver blew / sounded (informal honked ) her horn. → See also foghornThe interior of vehicles
(Definition of horn noun (VEHICLE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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