achillea

noun

1. any composite plant of the genus Achillea, having toothed or divided leaves and flat-topped clusters of flowers, and including the yarrow and sneezewort.

noun

1. any plant of the N temperate genus Achillea, with white, yellow, or purple flowers, some species of which are widely grown as garden plants: family Asteraceae (composites)See also sneezewort, yarrow