1. (n.) The act of crepitating or crackling.

2. (n.) A grating or crackling sensation or sound, as that produced by rubbing two fragments of a broken bone together, or by pressing upon cellular tissue containing air.

3. (n.) A crepitant rale.

Klaxon babble babblement bavardage bibble-babble bicker blab blabber blah-blah blather blether blethers boiler factory boiler room brattle bull-roarer cackle call caquet caqueterie carol catcall caw chat chatter cheep cherry bomb chirk chirp chirr chirrup chitter chitter-chatter chuck clacker clacket clapper clatter clatter about click clitter clitterclatter cluck clunter cock-a-doodle-doo coo crack cracker cracking crackle crackling crepitate crepitation cricket croak cronk crow cuckoo decrepitate decrepitation dither drum firecracker gab gabble gaggle gas gibber gibble-gabble go on gobble gossip guff guggle gush haver honk hoo hoot horn hot air idle talk jabber jaw mere talk natter noisemaker nonsense talk palaver patter peep pip pipe pour forth prate prating prattle prittle-prattle quack quidnunc racket ramble on rattle rattle around rattle on rattlebox rattletybang rattling reel off roll ruckle rumormonger run on scandalmonger scold shatter sieve sing siren sizzling snap snapper snapping spit spitting spout spout off squawk steam whistle tabby talebearer talk away talk nonsense talk on talkee-talkee telltale ticktack tittle-tattle trill twaddle twattle tweet twit twitter waffle warble whistle whizgig whizzer yak yakkety-yak