subway

Meanings

Plural: subways

Noun

• an electric railway operating below the surface of the ground (usually in a city)
  • "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"
• an underground tunnel or passage enabling pedestrians to cross a road or railway
• 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; a metro system.
• An underground walkway, tunnel for pedestrians (called pedestrian underpass in US).
• An underground route for pipes, sewers, etc.
• An underground route for creatures (e.g. bats).

Verb

• To travel by underground railway.

Synonyms

metro, Métro, rapid transit, subway system, Tube, tube, underground, underground railway, underpass