[kawr-i-der, -dawr, kor-] 
| 1. | a gallery or passage connecting parts of a building; hallway. |
| 2. | a passage into which several rooms or apartments open. |
| 3. | a passageway in a passenger ship or railroad car permitting access to separate cabins or compartments. |
| 4. | a narrow tract of land forming a passageway, as one connecting two major cities or one belonging to an inland country and affording an outlet to the sea: the Polish Corridor. |
| 5. | a usually densely populated region characterized by one or more well-traveled routes used by railroad, airline, or other carriers: The Northeast corridor extends from Washington, D.C., to Boston. |
| 6. | Aeronautics. a restricted path along which an aircraft must travel to avoid hostile action, other air traffic, etc. |
| 7. | Aerospace. a carefully calculated path through the atmosphere along which a space vehicle must travel after launch or during reentry in order to attain a desired orbit, to avoid severe acceleration and deceleration, or to minimize aerodynamic heating. |
| cor·ri·dor (kôr'ĭ-dər, -dôr', kŏr'-) n.
[French, from Italian corridore, from correre, to run, from Latin currere; see kers- in Indo-European roots.] |
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