Bird meaning : 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. A man, fellow. A girl or woman, especially one considered sexually attractive. Girlfriend. An airplane. A satellite. A chicken; the young of a fowl; a young eaglet; a nestling. To observe or identify wild birds in their natural environment. To catch or shoot birds. To seek for game or plunder; to thieve.