<p><strong>Noun</strong></p><ul><li>Any of numerous trees or shrubs of the genus <em>Ilex</em>, such as:<ul><li><em>I. opaca</em> (American holly), the state tree of Delaware</li><li><em>I. aquifolium</em> (English holly), having glossy, spiny-toothed leaves, small, whitish flowers, and red berries</li></ul></li><li>The foliage and berries, used for decoration, especially during the Christmas season.</li></ul>