metro-(word root) measure
Examples of words with the root metro-: metronome
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
met·ro 1 (mĕt′rō)
n. pl. met·ros
A subway system.
[French métro, short for (chemin de fer) métropolitain, metropolitan (railway), from Late Latin mētropolītānus; see metropolitan.]
met·ro 2 (mĕt′rō) Informal
Metropolitan: metro Los Angeles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
metro (ˈmɛtrəʊ) or
, pl -ros
(Railways) an underground, or largely underground, railway system in certain cities, esp in Europe, such as that in Paris
[C20: from French, short for chemin de fer métropolitain metropolitan railway]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
met•ro1 (ˈmɛ troʊ)
n., pl. -ros. (often cap.)
the underground electric railway of certain cities, as Washington and Paris.
[1900–05; < French, short for chemin de fer métropolitain metropolitan railroad]
met•ro2 (ˈmɛ troʊ)
adj., n., pl. -ros. Informal. adj. n.
3. (often cap.) Chiefly Canadian. the government or jurisdiction of a large city.
[1900–05; by shortening; or independent use of metro
a combining form meaning “measure”: metronome.
[comb. form representing Greek métron measure]
a combining form meaning “uterus”: metrorrhagia.
[comb. form representing Greek mḗtra womb]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
subway underground metro
A subway is a path for pedestrians under a busy road.
You feel worried if you walk through a subway.
In some American cities, the subway is a railway system in which electric trains travel below the ground in tunnels. In other cities this is called the metro.
I don't ride the subway at night.
You can take the metro to the Smithsonian museums.
Some speakers of British English also use subway to refer to a British railway system like this, but the London and Glasgow systems are usually called the underground. The London system is also called the tube.
He crossed London by underground.
You can take the tube to Green Park and then walk.
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012