From Longman Dictionary of Contemporary Englishsubwaysub‧way /ˈsʌbweɪ/ ●●○ noun [countable] 1 American EnglishTTT a railway system that runs under the ground below a big city SYN underground British English the New York City subway a crowded subway station Boston has the oldest subway system in the US.2 TTR British English a path for people to walk under a road or railway SYN 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 stations
Examples from the Corpus
subway• The vision of unity I saw on that subway begins here to extend beyond humanity to the whole natural world.• 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 Hope patients was married to one of the subway workmen.• The renewal of the subway station, 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 lit monster flick about gigantic cockroaches living in the New York subway system.subway system• Near the window, he put up a framed map of the New York City subway system.• The map of the New York City subway system was pinned to the wall above his bed.• The Metro subway system was operating only a limited schedule of trains, on portions of its system that are underground.• Mitchell visualized a hormonal flow chart that resembled a metropolitan subway system, all lines headed for the downtown station.• Rumours circulate of bombs in New York's subway system, and the poisoning of water wells.• The only reliable mode of mass transportation 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. 