babbler:
(plural: ‘babblers‘)
a babbler
a person who talks quickly, foolishly and in a way that is hard to understand;
a chatterer; a chatterbox,
My nephew is such a babbler that you love to wish he were mute!
Don’t let Kate have more than two drinks because once she is drunk, she turns to be the worst babbler … keeps on talking nonsense.

(a) a tape recording or CD of several different voices talking at the same time, used as an antibugging device to discourage or stop eavesdropping or telephone tapping, i.e. to confuse someone listening secretly to people’s private and important conversations
(b) a kind of song bird with special loud voice (calls).
