In the West Indies, a name often applied to the angelin or cabbage-tree, Vouacapoua Americana, from its resemblance in leaf and fruit to the English walnut. See cabbage-tree, 2, and Andira.n. The fruit of the nut-bearing tree Juglans regia; also, the tree itself, or its wood.n. In the United States, frequently, same as black walnut and rock-walnut (the fruit, the tree, or its wood). See below.n. In parts of New York, New England, and some other lo calities, same as hickory-nut or hickory. This is sometimes distinguished as shagbark or shell-bark walnut.