<p><strong>Noun</strong></p><ul><li>a gallery or passage connecting parts of a building; hallway</li><li>a passage into which several rooms or apartments open</li><li>a passageway in a passenger ship or railroad car permitting access to separate cabins or compartments</li><li>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</li><li>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</li><li>Also called air corridor</li><li>Aeronautics: a restricted path along which an aircraft must travel to avoid hostile action, other air traffic, etc.</li><li>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</li></ul>