—v.i. 1. to beat with increased force or rapidity, as the heart under the influence of emotion or excitement; palpitate.
2. to feel or exhibit emotion: He throbbed at the happy thought. 3. to pulsate; vibrate: The cello throbbed.
—n. 1. the act of throbbing.
2. a violent beat or pulsation, as of the heart.
3. any pulsation or vibration: the throb of engines.