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cat's eyes

noun [plural]
 
/ˈkæt.saɪz/ UK (US reflectors)

Definition

small pieces of glass or plastic that are put along the middle and sometimes the sides of a road, to reflect the lights of a car, in order to show the driver where to drive when it is darkLights, signs and markings on roads
(Definition of cat's eyes noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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