corridor: Meaning and Definition of

cor•ri•dor

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. a restricted path along which an aircraft must travel to avoid hostile action, other air traffic, etc.
7. 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.