| 1. | to utter a succession of small, tremulous sounds, as a bird. |
| 2. | to talk lightly and rapidly, esp. of trivial matters; chatter. |
| 3. | to titter; giggle. |
| 4. | to tremble with excitement or the like; be in a flutter. |
| 5. | to express or utter by twittering. |
| 6. | an act of twittering. |
| 7. | a twittering sound. |
| 8. | a state of tremulous excitement. |
