Definition of Klaxon™ noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈklæksn//
; NAmE NAmE//ˈklæksn//
(British English)
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a horn, originally on a vehicle, that makes a loud sound as a warning The klaxon sounded and the crew prepared to dive. Word Originearly 20th cent.: from the name of the manufacturing company.
See the Oxford Advanced American Dictionary entry: Klaxon™