briarwood noun4 •The wood of the briar-root, commonly used to make tobacco pipes. •A pipe made from briarwood. •Erica arborea, tree heath, an ericaceous flowering plant. •A small forest of briars."Now throw your brier-twig over your shoulder," said the horse, "but throw it a good distance behind me!" The lad did so, and suddenly a big, close brier-wood grew up behind them. — 1886 formsbriarwoods