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English definition of “red-eye”

red-eye

noun [C] (FLIGHT)    /ˈred.aɪ/ mainly US informal
a flight taken at night: We caught the red-eye from LA and got to New York at five this morning.Travelling by aircraftAviationMovement through the air
(Definition of red-eye noun (FLIGHT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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