Smärt'-weed, n.
n. (Bot.) A plant of the genus Polygonum (P. hydropiper);— so called on account of its acrimony, which produces smarting if applied where the skin is tender.
n. (Bot.) A plant of the genus Polygonum (P. hydropiper);— so called on account of its acrimony, which produces smarting if applied where the skin is tender.