<p><strong>Noun</strong></p><ul><li>A leafless vine, <em>Sarcostemma acidum</em>, of eastern India, yielding a sour, milky juice.</li><li>(Also Zoroastrianism) A sacramental drink prepared with the juice of the haoma plant, milk, and water.</li><li>(initial capital letter) A god personifying this sacred drink.</li></ul>