Main Entry:

yar·row

Pronunciation:

\ˈya-(ˌ)rō\

Function:

noun

Etymology:

Middle English yarowe, from Old English gearwe; akin to Old High German garwa yarrow

Date:

before 12th century

: a widely naturalized strong-scented Eurasian composite herb (Achillea millefolium) with finely dissected leaves and small usually white corymbose flowers ; also : any of several congeneric plants