noun
definition
An underground railway.
definition
A train that runs on such an underground railway.
definition
An urban rapid transit light railway
definition
A train that runs on such a railway.
noun
definition
A metropolitan area
Examples of metros in a Sentence
These will be used for benchmarking the productivity performance of urban metros.
During 2004 we entered five new metros including Atlanta, Las Vegas and Boston and will enter another eleven in 2005.
Some metro areas greater than 1 million are slumping, while others offer higher paying occupations and industries than small metros but are expensive places to live.
Trains, metros and buses all use this as a hub of transportation, and its convenient location in the heart of Rome makes travel from here very easy.
People outside the metros will be pulled into the nearest one, to make sure they always have people to meet and people to talk to.