chatter

chatter (http://definr.com/chatter)

     n 1: noisy talk [syn: yak, yack, yakety-yak, cackle]
     2: the rapid series of noises made by the parts of a machine
        [syn: chattering]
     3: the high-pitched continuing noise made by animals (birds or
        monkeys) [syn: chattering]
     v 1:  click repeatedly or uncontrollably, as of teeth [syn: click]
     2: cut unevenly with a chattering tool
     3: chew the fat; shoot the breeze [syn: chat, confabulate,
        confab, chitchat, chaffer, natter, gossip, jaw,
         claver, visit]
     4: speak (about unimportant matters) rapidly and incessantly
        [syn: piffle, palaver, prate, tittle-tattle, twaddle,
         clack, maunder, prattle, blab, gibber, tattle,
         blabber, gabble]
     5: make noise as if chattering away: "The magpies were
        chattering in the trees"