<p><strong>Verb</strong></p><ul><li>(used without object) throbbed, throbbing.<ul><li>to beat with increased force or rapidity, as the heart under the influence of emotion or excitement; palpitate.</li><li>to feel or exhibit emotion: He throbbed at the happy thought.</li><li>to pulsate; vibrate: The cello throbbed.</li></ul></li></ul><p><strong>Noun</strong></p><ul><li>the act of throbbing.</li><li>a violent beat or pulsation, as of the heart.</li><li>any pulsation or vibration: the throb of engines.</li></ul>