Definition of: vibrate

(vī′brāt) v. ·brat·ed, ·brat·ing v.i.
1. To move or swing back and forth, as a pendulum.
2. To move back and forth rapidly: quiver.
3. To sound: The note vibrates on the ear.
4. To be emotionally moved; thrill.
5. To vacillate; waver, as between choices.
—v.t.
6. To cause to move or swing back and forth.
7. To cause to quiver or tremble.
8. To send forth (sound, etc.) by vibration.
9. To measure by each vibration: a pendulum vibrating seconds. See synonyms under QUAKE, SHAKE. [<L vibratus <vibrare shake]