Meaning ofwhirlybirdin English

Noun

1. a type of winged seed (samara)
   The whirlybird seed fell from the tree and spun to the ground.
2. a roof turbine powered by wind
   The architect designed a whirlybird to ventilate the building naturally.
3. a slang term for helicopter
   The news team arrived at the scene in a whirlybird to capture the footage.