chatter in WordNet English dictionary

1. noisy talk
   yak  yack  yakety-yak  chatter  cackle 
   
2. the high-pitched continuing noise made by animals (birds or monkeys)
   chatter  chattering 
   
3. the rapid series of noises made by the parts of a machine
   chatter  chattering 
   

1. talk socially without exchanging too much information
   "the men were sitting in the cafe and shooting the breeze"
   chew the fat  shoot the breeze  chat  confabulate  confab  chitchat  chit-chat  chatter  chaffer  natter  gossip  jaw  claver  visit 
   
2. speak (about unimportant matters) rapidly and incessantly
   chatter  piffle  palaver  prate  tittle-tattle  twaddle  clack  maunder  prattle  blab  gibber  tattle  blabber  gabble 
   
3. make noise as if chattering away
   "The magpies were chattering in the trees"
   chatter 
   
4. cut unevenly with a chattering tool
   chatter 
   
5. click repeatedly or uncontrollably
   "Chattering teeth"
   chatter  click