<p><strong>Verb (used with object)</strong></p><ul><li>to cause to make a ringing sound.</li><li>to speak about insistently.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to make a ringing sound.</li><li>to talk insistently.</li></ul><p><strong>Noun</strong></p><ul><li>a ringing sound.</li></ul>