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Meaning of birdcage

bird•cage

Pronunciation: (bûrd'kāj"), [key]
— n.
  1. a cage for confining birds.
  2. something that resembles a birdcage in form.
  3. the airspace over an airport, together with the airplanes in it.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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