<p><strong>Verb</strong></p><ul><li>(used without object) to pulsate with unusual rapidity from exertion, emotion, disease, etc.; flutter: His heart palpitated wildly.</li><li>to pulsate; quiver; throb; tremble.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to cause to pulsate or tremble.</li></ul>