subway
Pronunciation:
/ˈsʌbˌweɪ//ˈsʌbˌweɪ/noun
Definitions
An underground railway, especially for mass transit of people in urban areas.
A train that runs on such an underground railway.
A rapid transit system, regardless of the elevation of its right of way.
An underground walkway, tunnel for pedestrians (called pedestrian underpass in US).
verb
Definitions
To travel by underground railway.