Grōm'well, n.

noun

n. [Called also gromel, grommel, gray-mill, and gray millet; Fr. grémil, W. cromandi.] (Bot.) A plant of the genus Lithospermum (L. arvense), anciently used, because of its stony pericarp, in the cure of gravel. The German gromwell is the stellera. [Written also gromill.]