Grom"well (?), n. [Called also
gromel, grommel, graymill, and gray
millet, all prob. fr. F. gr?mil, cf. 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.]