noun

subway

Translation

underground, tube

I take the subway to work every day.

I take the underground to work every day.

Let's meet at the subway station.

Let's meet at the underground station.

((the subway)) the underground railway system I take the subway to work.

((by subway)) using the subway You can get there by subway.

Synonyms: metro, underground, tube

From 'sub-' (under) + 'way' (path). A path that goes under the ground.

It's a 'way' that goes 'sub' (under) the city. Note that in British English, 'subway' often means an underground pedestrian walkway.