Yär'rōw, n.

n. [A-S. gearwe, D. gerw, O. H. Ger. garwá, gárawá, M. H. Ger. garwe, N. H. Ger. garbe, schafgarbe.] (Bot.) A composite plant (Achillea millefolium), having a strong odor and pungent taste. It is a native of Europe, where it is used as a vulnerary, and is common in the United States; the milfoil. It is sometimes added to beer to render it more intoxicating, and is used by smokers in the place of tobacco.