[chat-er] 
| 1. | to talk rapidly in a foolish or purposeless way; jabber. |
| 2. | to utter a succession of quick, inarticulate, speechlike sounds, as monkeys or certain birds. |
| 3. | to make a rapid clicking noise by striking together: His teeth were chattering from the cold. |
| 4. | Machinery. (of a cutting tool or piece of metal) to vibrate during cutting so as to produce surface flaws on the work. |
| 5. | to utter rapidly or purposelessly. |
| 6. | to cause to chatter, as the teeth from cold. |
| 7. | purposeless or foolish talk. |
| 8. | a series of waves or ridges on the surface of a piece of metal that has been imperfectly drawn or extruded. |
| 9. | the act or sound of chattering. |
