[1] : The Collaborative International Dictionary of English v.0.48

chatter \chat"ter\, v. i. imp.  p. p. chattered; p. pr. 
   vb. n. chattering. of imitative origin. cf. chat, v. i.
   chitter.
   1. to utter sounds which somewhat resemble language, but are
      inarticulate and indistinct.
      1913 webster

            the jaw makes answer, as the magpie chatters.
                                                  --wordsworth.
      1913 webster

   2. to talk idly, carelessly, or with undue rapidity; to
      jabber; to prate.
      1913 webster

            to tame a shrew, and charm her chattering tongue.
                                                  --shak.
      1913 webster

   3. to make a noise by rapid collisions.
      1913 webster

            with chattering teeth, and bristling hair upright.
                                                  --dryden.
      1913 webster
see also:
chattered chattering chat chitter 

[2] : The Collaborative International Dictionary of English v.0.48

chattering \chat"tering\, n.
   the act or habit of talking idly or rapidly, or of making
   inarticulate sounds; the sounds so made; noise made by the
   collision of the teeth; chatter.
   1913 webster

[3] : WordNet (r) 2.0

chattering
     adj : engaged in making a rapid repetitive noise resembling
           speech; "the chattering sparrows"
     n 1: the rapid series of noises made by the parts of a machine
          syn: chatter
     2: the high-pitched continuing noise made by animals birds or
        monkeys syn: chatter
see also:
chatter 

Chattering >> C Words
Chattering, definition of term: Chattering
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