yarrow Meaning, Definition & Usage

  1. noun ubiquitous strong-scented mat-forming Eurasian herb of wasteland, hedgerow or pasture having narrow serrate leaves and small usually white florets; widely naturalized in North America
    milfoil; Achillea millefolium.

WordNet

Yar"row noun
Etymology
OE. yarowe, yarwe, ýarowe, AS. gearwe; akin to D. gerw, OHG. garwa, garawa, G. garbe, schafgarbe, and perhaps to E. yare.
Definitions
  1. (Bot.) An American and European composite plant (Achillea Millefolium) with very finely dissected leaves and small white corymbed flowers. It has a strong, and somewhat aromatic, odor and taste, and is sometimes used in making beer, or is dried for smoking. Called also milfoil, and nosebleed.

Webster 1913