<p><strong>Noun</strong></p><ul><li>A composite plant, <em>Chamaemelium nobile</em> (or <em>Anthemis nobilis</em>), native to the Old World, having strongly scented foliage and white ray flowers with yellow centers used medicinally and as a tea.</li><li>Any of several allied plants of the genera <em>Matricaria</em> and <em>Tripleurospermum</em>.</li></ul>