subway

Other Definitions
subway (enc)

Noun	1.	subway - electric underground railway metro, underground, tube railroad, railroad line, railway, railway line, railway system - line that is the commercial organization responsible for operating a railway system
	2.	subway - an underground tunnel or passage enabling pedestrians to cross a road or railway underpass tunnel - a passageway through or under something, usually underground (especially one for trains or cars); "the tunnel reduced congestion at that intersection"

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