Source : Webster's Revised Unabridged Dictionary (1913)

Babble \Bab"ble\, v. i.
   1. To utter in an indistinct or incoherent way; to repeat, as
      words, in a childish way without understanding.

            These [words] he used to babble in all companies.
                                                  --Arbuthnot.

   2. To disclose by too free talk, as a secret.

Babble \Bab"ble\, n.
   1. Idle talk; senseless prattle; gabble; twaddle. ``This is
      mere moral babble.'' --Milton.

   2. Inarticulate speech; constant or confused murmur.

            The babble of our young children.     --Darwin.

            The babble of the stream.             --Tennyson.

Babble \Bab"ble\, v. i. [imp. & p. p. {Babbled} (?);p. pr. & vb.
   n. {Babbling}.] [Cf.LG. babbeln, D. babbelen, G. bappeln,
   bappern, F. babiller, It. babbolare; prob. orig., to keep
   saying ba, imitative of a child learning to talk.]
   1. To utter words indistinctly or unintelligibly; to utter
      inarticulate sounds; as a child babbles.

   2. To talk incoherently; to utter unmeaning words.

   3. To talk much; to chatter; to prate.

   4. To make a continuous murmuring noise, as shallow water
      running over stones.

            In every babbling he finds a friend.  --Wordsworth.

   Note: Hounds are said to babble, or to be babbling, when they
         are too noisy after having found a good scent.

   Syn: To prate; prattle; chatter; gossip.

Source : WordNet®

babble
     v 1: utter meaningless sounds, like a baby, or utter in an
          incoherent way; "The old man is only babbling--don't pay
          attention"
     2: to talk foolishly; "The two women babbled and crooned at the
        baby" [syn: {blather}, {smatter}, {blether}, {blither}]
     3: flow in an irregular current with a bubbling noise;
        "babbling brooks" [syn: {ripple}, {guggle}, {burble}, {bubble},
         {gurgle}]
     4: divulge confidential information or secrets;  "Be
        careful--his secretary talks" [syn: {spill the beans}, {let
        the cat out of the bag}, {talk}, {tattle}, {blab}, {peach},
         {sing}, {babble out}, {blab out}] [ant: {keep quiet}]

babble
     n : gibberish resembling the sounds of a baby [syn: {babbling},
         {lallation}]