noun
subway
SUHB-way
noun
1
An underground railway system used for urban public transport.
"She takes the subway to work every morning."
2
An underground pedestrian tunnel or walkway.
"Use the subway to cross safely under the busy road."
How to Use Subway
Learner’s notesIn plain EnglishAn underground train system, or (mainly in British English) an underground walkway.
UK vs US
In American English, "subway" means the underground train system (New York, Boston, etc.). In British English, it more often means an underground pedestrian tunnel, while the train system is called "the Underground" or "the Tube."
Common pairings
take the subway
subway station
subway line
Word Forms
subwayed past tense, subways plural, subways singular
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She takes the _____ to work every morning.
Etymology
From sub- ("under") plus way.