<p><strong>Noun:</strong></p><ul><li>The dried, condensed juice of a poppy, <em>Papaver somniferum</em>, that has a narcotic, soporific, analgesic, and astringent effect and contains morphine, codeine, papaverine, and other alkaloids used in medicine in their isolated or derived forms: a narcotic substance, poisonous in large doses.</li><li>Anything that causes dullness or inaction or that soothes the mind or emotions.</li></ul>