from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To talk rapidly, incessantly, and on trivial subjects; jabber.
- intransitive v. To utter a rapid series of short, inarticulate, speechlike sounds: birds chattering in the trees.
- intransitive v. To click quickly and repeatedly: Our teeth chattered from the cold.
- intransitive v. To vibrate or rattle while in operation: A power drill will chatter if the bit is loose.
- transitive v. To utter in a rapid, usually thoughtless way: chattered a long reply.
- n. Idle, trivial talk.
- n. Communication, such as e-mail and cell phone calls, between people who are involved in terrorism or espionage, as monitored by a government agency.
- n. The sharp, rapid sounds made by some birds and animals.
- n. A series of quick rattling or clicking sounds.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. talk, especially meaningless or unimportant talk
- n. the sound of talking
- n. the sound made by a magpie
- n. an intermittent noise, as from vibration
- n. in national security, the degree of communication between suspect groups and individuals, used to gauge the degree of expected terrorist activity.
- v. To talk idly.
- v. Of teeth, machinery, etc, to make a chattering noise.
- n. one who chats
- n. a user of chat rooms
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To utter sounds which somewhat resemble language, but are inarticulate and indistinct.
- intransitive v. To talk idly, carelessly, or with undue rapidity; to jabber; to prate.
- intransitive v. To make a noise by rapid collisions.
- transitive v. To utter rapidly, idly, or indistinctly.
- n. Sounds like those of a magpie or monkey; idle talk; rapid, thoughtless talk; jabber; prattle.
- n. Noise made by collision of the teeth, as in shivering.
from The Century Dictionary and Cyclopedia
- To utter a succession of quick, shrill, inarticulate sounds, as a magpie or a monkey.
- To make a rapid rattling noise, as the teeth, from cold or fright.
- To talk thoughtlessly, idly, or rapidly; jabber; gabble.
- To argue.
- To jar, so as to form a series of nicks or notches, as a cutting-tool.
- To utter as one who or that which chatters: as, to chatter nonsense.
- n. succession of quick, shrill, inarticulate sounds, especially if discordant or jarring, like those uttered by a magpie or a monkey; rapid and imperfectly articulated utterance.
- n. The noise made by the teeth striking together repeatedly and rapidly, as under the influence of cold or fright.
- n. Idle or foolish talk.
- n. Synonyms See prattle, n.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. click repeatedly or uncontrollably
- n. noisy talk
- v. cut unevenly with a chattering tool
- v. speak (about unimportant matters) rapidly and incessantly
- v. talk socially without exchanging too much information
- n. the rapid series of noises made by the parts of a machine
- n. the high-pitched continuing noise made by animals (birds or monkeys)
- v. make noise as if chattering away
Middle English chateren, of imitative origin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English chateren ("to chatter"), of imitative origin. (Wiktionary)
chat + -er (Wiktionary)