v.
  - talk rapidly and continuously in a foolish, excited, or incomprehensible way. 
▸reveal something secret.
 - 
[usu. as adj. babbling]
 (of a stream) make a continuous murmur as the water flows over stones.
 
n.
 the sound of babbling. 
▸foolish, excited, or confused talk.
 
  Derivative
  
  Etymology
  ME: from Mid. Low Ger. babbelen, or an independent Engl. formation, based on the repeated syllable ba, typical of a child's early speech.