Babbler

Bab·bler

Babbler

n.
  1. An idle talker; an irrational prater; a teller of secrets.
    Great babblers, or talkers, are not fit for trust.
  2. A hound too noisy on finding a good scent.
  3. A name given to any one of a family (Timalinæ) of thrushlike birds, having a chattering note. (Zool.)