babble
     n : gibberish resembling the sounds of a baby [syn: {babbling},
         {lallation}]
     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}]
Source: WordNet® 2.0