Cor"ri*dor (k?r"r?-d?r or -d?r), n. [F., fr. Itt. corridpore, or Sp. corredor; prop., a runner, hence, a running or long line, a gallery, fr. L. currere to run. See Course.]

1. (Arch.) A gallery or passageway leading to several apartments of a house.

2. (Fort.) The covered way lying round the whole compass of the fortifications of a place. [R.]

• A narrow hall or passage with rooms leading off it.
  
• A restricted tract of land that allows passage between two places.
  
• Airspace restricted for the passage of aircraft.