bird

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various warm-blooded egg-laying feathered vertebrates of the class Aves, having forelimbs modified to form wings.
• noun Such an animal hunted as game.
• noun Such an animal, especially a chicken or turkey, used as food.
• noun Slang A rocket, guided missile, satellite, or airplane.
• noun Slang A person, especially one who is odd or remarkable.
• noun Chiefly British Slang A young woman.
• noun A loud sound expressing disapproval; a raspberry.
• noun Discharge from employment.
• noun An obscene gesture of anger, defiance, or derision made by pointing or jabbing the middle finger upward.
• intransitive verb To observe and identify birds in their natural surroundings.
• intransitive verb To trap, shoot, or catch birds.
• idiom (for the birds) Objectionable or worthless.

from The Century Dictionary.

• To catch birds; go bird-shooting or fowling.
• Hence To look for plunder; thieve.
• noun A maiden; a girl; a young woman.
• noun [In this, as in other modern instances, the word is archaic, and is probably associated with bird as a term of endearment.]
• noun The young of any fowl.
• noun A feathered vertebrate animal of the class Aves, frequently included with reptiles in a superclass Sauropsida, but distinguished by having warm blood, by being covered with feathers, and by having the fore limbs so modified as to form wings. See Aves.
• noun Any small feathered game, as a partridge, quail, snipe, or woodcock, as distinguished from water-fowl, etc.
• noun In astronomy, a southern constellation. See Apus, 1.

from the GNU version of the Collaborative International Dictionary of English.

• noun Orig., a chicken; the young of a fowl; a young eaglet; a nestling; and hence, a feathered flying animal (see 2).
• noun (Zoöl.) A warm-blooded, feathered vertebrate provided with wings. See Aves.
• noun Specifically, among sportsmen, a game bird.
• noun Fig.: A girl; a maiden.
• noun the phenix.
• noun the eagle.
• noun the peacock.
• noun (Zoöl.) a wingless insect of the group Mallophaga, of which the genera and species are very numerous and mostly parasitic upon birds. -- Bird mite (Zoöl.), a small mite (genera Dermanyssus, Dermaleichus and allies) parasitic upon birds. The species are numerous.
• noun a migratory bird.
• noun (Zoöl.) a very large South American spider (Mygale avicularia). It is said sometimes to capture and kill small birds.
• noun (Zoöl.) a dipterous insect parasitic upon birds (genus Ornithomyia, and allies), usually winged.
• intransitive verb To catch or shoot birds.
• intransitive verb rare Hence: To seek for game or plunder; to thieve.
• intransitive verb to watch birds, especially in their natural habitats, for enjoyment; to birdwatch.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The vulgar hand gesture in which the middle finger is extended.
• noun A penis.
• noun A prison sentence.
• noun 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.
• noun UK, US, slang A girl or woman considered sexually attractive, as used by a man.
• noun slang An airplane.
• verb To observe or identify wild birds in their natural environment
• verb To catch or shoot birds.
• verb figuratively To seek for game or plunder; to thieve.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a cry or noise made to express displeasure or contempt
• noun informal terms for a (young) woman
• noun warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings