Source : Webster's Revised Unabridged Dictionary (1913)

Bird \Bird\, v. i.
   1. To catch or shoot birds.

   2. Hence: To seek for game or plunder; to thieve. [R.] --B.
      Jonson.

Bird \Bird\ (b[~e]rd), n. [OE. brid, bred, bird, young bird,
   bird, AS. bridd young bird. [root]92.]
   1. Orig., a chicken; the young of a fowl; a young eaglet; a
      nestling; and hence, a feathered flying animal (see 2).

            That ungentle gull, the cuckoo's bird. --Shak.

            The brydds [birds] of the aier have nestes.
                                                  --Tyndale
                                                  (Matt. viii.
                                                  20).

   2. (Zo["o]l.) A warm-blooded, feathered vertebrate provided
      with wings. See {Aves}.

   3. Specifically, among sportsmen, a game bird.

   4. Fig.: A girl; a maiden.

            And by my word! the bonny bird In danger shall not
            tarry.                                --Campbell.

   {Arabian bird}, the phenix.

   {Bird of Jove}, the eagle.

   {Bird of Juno}, the peacock.

   {Bird louse} (Zo["o]l.), a wingless insect of the group
      Mallophaga, of which the genera and species are very
      numerous and mostly parasitic upon birds. -- Bird mite
      (Zo["o]l.), a small mite (genera {Dermanyssus},
      {Dermaleichus} and allies) parasitic upon birds. The
      species are numerous.

   {Bird of passage}, a migratory bird.

   {Bird spider} (Zo["o]l.), a very large South American spider
      ({Mygale avicularia}). It is said sometimes to capture and
      kill small birds.

   {Bird tick} (Zo["o]l.), a dipterous insect parasitic upon
      birds (genus {Ornithomyia}, and allies), usually winged.

Source : WordNet®

bird
     v : watch and study birds in their natural habitat [syn: {birdwatch}]

bird
     n 1: warm-blooded egg-laying vertebrates characterized by
          feathers and forelimbs modified as wings
     2: the flesh of a bird or fowl (wild or domestic) used as food
        [syn: {fowl}]
     3: informal terms for a (young) woman [syn: {dame}, {doll}, {wench},
         {skirt}, {chick}]
     4: a cry or noise made to express displeasure or contempt [syn:
         {boo}, {hoot}, {Bronx cheer}, {hiss}, {raspberry}, {razzing},
         {snort}]
     5: badminton equipment consisting of a ball of cork or rubber
        with a crown of feathers [syn: {shuttlecock}, {birdie}, {shuttle}]