Source : Webster's Revised Unabridged Dictionary (1913)

Babbler \Bab"bler\, n.
   1. An idle talker; an irrational prater; a teller of secrets.

            Great babblers, or talkers, are not fit for trust.
                                                  --L'Estrange.

   2. A hound too noisy on finding a good scent.

   3. (Zo["o]l.) A name given to any one of family
      ({Timalin[ae]}) of thrushlike birds, having a chattering
      note.

Source : WordNet®

babbler
     n 1: an obnoxious and foolish and loquacious talker [syn: {chatterer},
           {prater}, {chatterbox}, {magpie}, {spouter}]
     2: any of various insectivorous Old World birds with a loud
        incessant song; in some classifications considered members
        of the family Muscicapidae [syn: {cackler}]