/ ˈkɒrɪdɔː(r); NAmE ˈkɔːr-; ˈkɑːr-/ noun
1.
( NAmE also hall·way ) a long narrow passage in a building, with doors that open into rooms on either side :
His room is along the corridor.
2.
a passage on a train
3.
a long narrow strip of land belonging to one country that passes through the land of another country; a part of the sky over a country that planes, for example from another country, can fly through
—see also air corridor
4.
a long narrow strip of land that follows the course of an important road or river :
the electronics industry in the M4 corridor
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IDIOMS
- the corridors of power
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WORD ORIGIN
late 16th cent. (as a military term denoting a strip of land along the outer edge of a ditch, protected by a parapet): from French , from Italian corridore , alteration (by association with corridore runner) of corridoio running place, from correre to run, from Latin currere . The current sense dates from the early 19th cent.