babble
1 (n)
gibberish resembling the sounds of a baby
2 (v)
divulge confidential information or secrets; "Be careful--his secretary talks"
3 (v)
to talk foolishly; "The two women babbled and crooned at the baby"
4 (v)
utter meaningless sounds, like a baby, or utter in an incoherent way; "The old man is only babbling--don't pay attention"
5 (v)
flow in an irregular current with a bubbling noise; "babbling brooks"