from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The precise route taken or due to be taken through the air by an aircraft or spacecraft.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The traveled path of a projectile, rocket or aircraft through the air.
  • n. A predefined route of travel for an aircraft or spacecraft.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the path of a rocket or projectile or aircraft through the air
  • n. a designated route followed by airplanes in flying from one airport to another


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