any plant belonging to the genus Agrimonia, of the rose family, especially the perennial A. eupatoria, having pinnate leaves and small, yellow flowers.
2.
any of certain other plants, as hemp agrimony or bur marigold.
Origin: 1350–1400; late Middle English < Latin agrimōnia, metathetic variant (perhaps by association with ager field) of argemōnia < Greek argemṓnē poppy; replacing Middle English egremoyne < Middle French aigremoine < Latin, as above
any of various N temperate rosaceous plants of the genus Agrimonia, which have compound leaves, long spikes of small yellow flowers, and bristly burlike fruits
2.
any of several other plants, such as hemp agrimony
[C15: altered from egrimonie (C14), via Old French from Latin agrimōnia, variant of argemōnia from Greek argemōnē poppy]