<p><strong>Noun</strong></p><ul><li>The edible nut of trees of the genus <em>Juglans</em>, of the North Temperate Zone.</li><li>The tree itself.</li><li>The wood of such a tree.</li><li>Northeastern U.S. the hickory nut.</li><li>Any of various fruits or trees resembling the walnut.</li><li>A somewhat reddish shade of brown, as that of the heartwood of the black walnut tree.</li></ul>