English

Definition of warning triangle noun from the Oxford Advanced Learner's Dictionary

 

warning triangle

 noun
noun
BrE BrE//ˈwɔːnɪŋ traɪæŋɡl//
 
; NAmE NAmE//ˈwɔːrnɪŋ traɪæŋɡl//
 
Controlling traffic, Motoring problems and accidents
 
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(British English) a red triangle that a driver puts on the road next to his or her car as a warning to other drivers when the car has stopped because of a fault, an accident, etc. See related entries: Controlling traffic, Motoring problems and accidents