A member of the class of animals Aves in the phylum Chordata, characterized by being warm-blooded, having feathers and wings usually capable of flight, and laying eggs.
Ducks and sparrows are birds.
A man, fellow.
A girl or woman, especially one considered sexually attractive.
Girlfriend.
Mike went out with his bird last night.
An airplane.
A satellite.
A chicken; the young of a fowl; a young eaglet; a nestling.