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

  • n. A tower at an airfield from which air traffic is controlled by radio and observed physically and by radar.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An airport building from which the air traffic control unit monitors and directs the movement of aircraft on and around the airport.
  • n. An enclosed, raised structure occupied by one or more persons who operate or exercise control over railway traffic, ship movement, a racetrack, machinery, etc.

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

  • n. a tower with an elevated workspace enclosed in glass for the visual observation of aircraft around an airport


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