<p><strong>Noun:</strong></p><ul><li>Any of several shrubs or small trees belonging to the genus <em>Rhus</em> of the cashew family, having milky sap, compound leaves, and small, fleshy fruit.</li><li>A preparation of the dried and powdered leaves, bark, etc., of certain species of <em>Rhus</em>, especially <em>R. coriaria</em> of southern Europe, used especially in tanning.</li><li>The wood of these trees.</li></ul>