Definition of "chatter" in English

noun

1. Talk, especially meaningless or unimportant talk.

2. The sound of talking.

3. The vocalisations of a Eurasian magpie, Pica pica.

4. The vocalisations of various birds or other animals.

5. An intermittent noise, as from vibration.

   • Proper brake adjustment will help to reduce the chatter.

6. (uncountable) In national security, the degree of communication between suspect groups and individuals, used to gauge the degree of expected terrorist activity.

   • The NSA is concerned about increased chatter between known terror groups.

7. (uncountable) The situation where a drill or similar tool vibrates and tears the material rather than cutting it cleanly.

verb

1. (intransitive) To talk idly.

   • They knitted and chattered the whole time.

2. (intransitive, of teeth, machinery, etc.) To make a noise by rapid collisions.

   • He was so cold that his teeth were chattering.
   • The software in modern machine tools can often predict and prevent movements that would cause the cutting tool to chatter.

3. To utter sounds which somewhat resemble language, but are inarticulate and indistinct.

noun

1. One who chats.

2. (Internet) A user of livestream chat.

3. (Internet) A user of chat rooms.