<p><strong>Verb:</strong></p><ul><li>To make slight, sudden, sharp noises, rapidly repeated.</li><li>To form a network of fine cracks on the surface.</li><li>(Of ceramic glaze) To craze.</li><li>To exhibit liveliness, vibrancy, anticipation, etc.</li></ul><p><strong>Noun:</strong></p><ul><li>The act of crackling.</li><li>A crackling noise.</li><li>A network of fine cracks, as in the glaze of some kinds of porcelain.</li></ul>