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
Word origin
from Achilles, who was credited with discovering medicinal properties in the plant
achillea in American English
(ˌækəˈliə; əˈkɪliə)
noun
yarrow
Word origin
ModL < L, a medicinal plant said to have been used by Achilles