It generally means if you have the chills from a cold or flu your 'teeth can chatter' (knock together.) Chatter can also mean that a person you know has 'annoying chatter' (always talking, but not really saying anything of importance.)
Examples : My teeth were chattering after just a few minutes in the freezer. The chattering noise came from over there. The poor chipmunk was chattering in fear after we caught it.
A chattering bird with six letters
Yes chattering can be classed as onomatopeia because omomatopoeia is a word that sounds like its description. for example "Snap" "Crackle" "pop" and yes "chattering" because as you say the word it sounds like a group of people chattering away
The birds were chattering loudly in the trees outside my window.
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my teeth was chattering like a man shivering i dont know just guessing
obviously,or else they will die!
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It is called a Chattering
chattering cake
A yatter is a period or session of mindless chattering.
Talking chattering those are a few