Sinonim subway

English Thesaurus

1. an electric railway operating below the surface of the ground (usually in a city) (noun.artifact)

hypernym	:	railroad, railroad line, railway, railway line, railway system,
definition	:	line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight (noun.artifact)

2. an underground tunnel or passage enabling pedestrians to cross a road or railway (noun.artifact)

hypernym	:	tunnel,
definition	:	a passageway through or under something, usually underground (especially one for trains or cars) (noun.artifact)