<p><strong>Verb</strong></p><ul><li>to utter a low, continuous, murmuring sound expressive of contentment or pleasure, as a cat does</li><li>(of things) to make a sound suggestive of the purring of a cat</li></ul><p><strong>Noun</strong></p><ul><li>the low, vibrating sound made by a cat by the contracting of the laryngeal muscles and the diaphragm as it breathes</li><li>a sound resembling this</li><li>the act of purring</li></ul>