From Longman Dictionary of Contemporary EnglishRelated topics: Trains & railways, Roadssubwaysub‧way /ˈsʌbweɪ/ ●●○ noun [countable]1American EnglishTTT a railwaysystem that runs under the ground below a bigcitySYN underground British English
the New York City subway
a crowded subway station
Boston has the oldest subway system in the US.2TTR British English a path for people to walk under a road or railwaySYN underpassTHESAURUSthe subway American English the railway system that runs under the ground below a big city. British people use the underground when talking about the railway system in London, and many systems outside the USthe New York subwayWe got on the next subway train.the underground British English the railway system that runs under the ground below a big citythe London undergroundan underground mapIt’s quickest to travel by underground.the tube British English informal the railway system that runs under LondonWe took the tube to Trafalgar Square.a crowded tube trainthe metro used especially to talk about the railway system that runs under Paris. Also used about some other city’s systems, for example Moscow, Washington DC and Newcastlethe Paris MetroMoscow’s metro stationsExamples from the Corpussubway• The vision of unity I saw on that subwaybegins here to extendbeyondhumanity to the wholenaturalworld.• I legged it over to Broadway and caught the subway.• If he remembered our meeting in the subway or my relationship to my aunt, very correctly, he gave no sign.• One of my Hopepatients was married to one of the subwayworkmen.• The renewal of the subwaystation, for example, presented a series of problems only hinted at here.• I wish I could work out how to use the subway.• Mira Sorvino stars in this dim-witted, dimly litmonsterflick about giganticcockroachesliving in the New York subway system.subway system• Near the window, he put up a framedmap of the New York City subway system.• The map of the New York City subway system was pinned to the wallabove his bed.• The Metrosubway system was operating only a limitedschedule of trains, on portions of its system that are underground.• Mitchell visualized a hormonal flowchart that resembled a metropolitansubway system, all linesheaded for the downtown station.• The only reliablemode of masstransportation was the subway system.• Mira Sorvino stars in this dim-witted, dimly lit monster flick about gigantic cockroaches living in the New York subway system.