Walnut . ( Of the lat. )( nucalis , similar to the nut). 1. m. family tree of the Yuglandáceas of about fifteen meters tall, with trunk short and robust, which are thicker and vigorous branches to form a large, rounded glass sheets composed of oval, pointed, toothed, thick flakes and aromatic smell, whitish separate sexes, and nut fruit flowers. Its wood is hard, homogeneous, reddish brown, veined, capable of beautiful polishing and prized in cabinetry, and the BREW of the leaves is used in medicine as an astringent and against the escrófulas. 2. m. wood from this tree.