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English definition of “rail”

rail

noun     /reɪl/
FOR HANGING [C] UK a horizontal bar on the wall that you hang things on: a curtain railFences and rails
FOR SUPPORTING [C] a bar around or along something which you can hold to stop you from falling: a hand railFences and rails
TRAIN SYSTEM [U] B1 trains as a method of transport: rail travel a rail link They sent the shipment by rail.Railways and railway lines
TRAIN [C] the metal tracks that trains run on → See also towel railRailways and railway lines
(Definition of rail noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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