<p><strong>Noun:</strong></p><ul><li>A complimentary performance of vocal or instrumental music in the open air at night, as by a lover under the window of his lady.</li><li>A piece of music suitable for such performance.</li><li>Serenata (def 2).</li></ul><p><strong>Verb:</strong></p><ul><li>(used with or without object)<ul><li>Serenaded, serenading.</li><li>To entertain with or perform a serenade.</li></ul></li></ul>