Definition of yarrow
: 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
Origin and Etymology of yarrow
Middle English yarowe, from Old English gearwe; akin to Old High German garwa yarrow
First Known Use: before 12th centurySee Words from the same year
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