- a cage for confining birds.
- something that resembles a birdcage in form.
- Slang. the airspace over an airport, together with the airplanes in it.
- a wire or wicker cage in which captive birds are kept
- any object of a similar shape, construction, or purpose
- Australian and NZ an area on a racecourse where horses parade before a race
- NZ informal a second-hand car dealer’s yard