<p><strong>Verb</strong></p><ul><li>(used without object) To utter the cry of a hen brooding or calling her chicks.</li><li>To make a similar sound; express concern, approval, etc., by such a sound.</li></ul><p><strong>Noun</strong></p><ul><li>The sound uttered by a hen when brooding, or in calling her chicks.</li><li>Any clucking sound.</li></ul>