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To talk rapidly, incessantly, and on trivial subjects; jabber.
(verb-intransitive)
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To utter a rapid series of short, inarticulate, speechlike sounds: birds chattering in the trees.
(verb-intransitive)
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To click quickly and repeatedly: Our teeth chattered from the cold.
(verb-intransitive)
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To vibrate or rattle while in operation: A power drill will chatter if the bit is loose.
(verb-intransitive)
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To utter in a rapid, usually thoughtless way: chattered a long reply.
(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.