Meanings
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1
noun
An underground railway used to move people around a city.
He goes to work by subway every morning.
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2
noun
A train that runs on an underground railway.
The subway came, so we got on.
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3
noun
An underground walkway for pedestrians to cross a road or railway.
Use the subway to get safely to the other side of the road.
Thesaurus
Etymology
From sub- + way.