From Longman Dictionary of Contemporary Englishmetromet‧ro /ˈmetrəʊ $ -troʊ/ noun (plural metros) [countable] TTTa railway system that runs under the ground below a city SYN subway American English, underground British English the Paris Metro It’ll be quicker to go on the metro. a metro station
Examples from the Corpus
metro• Here in London and the South-east, we already have metro and commuter railways which carry over 1,300 million passengers a year.• They moved into metro Phoenix where lantana and mulberry trees kept them fat and happy.• According to Culver, water mains in Baltimore and in most older, large metro areas are loaded with metal filings.• It will be at the busy 1.75-metre interchange between the Paris metro and the railway at Les Invalides.• By the next day the railways were paralysed and Paris bus stations, metro lines and post offices had been occupied.• The metro editor sent me to cover a soccer team pep rally at Columbia University.• From being a member of the foreign / national staff, I returned to metro as one of several assistant metro editors.metro station• And last year, a suspicious-looking briefcase at a metro station was taken care of by Sheila.• Fanaty throw bottles on to the pitch, fight at metro stations and stab one another.• The garden next door to the metro station is of the early 1970s by Otokar Kuca.• There is an escalator of only five steps at a Tokyo metro station which is a good example of a Tomason.Origin metro (1900-2000) French métro, from (chemin de fer) métropolitain “metropolitan railway” 