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English definition of “rail”


noun (TRAINS)    /reɪl/
B1 [U] the system of transport that uses trains : Environmentalists argue that more goods should be transported by rail.Railways and railway lines [C] one of the two metal bars attached to the ground on which trains travel : A train left /went off the rails and crashed into the bank , killing several passengers .
(Definition of rail noun (TRAINS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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