Definition of cow parsnip
: a tall perennial North American plant (Heracleum lanatum) of the carrot family with large compound leaves and broad umbels of white or purplish flowers; also : a related Eurasian plant (H. sphondylium) naturalized in the United States
First Known Use of cow parsnip
Learn More about cow parsnip
Britannica.com: Encyclopedia article about "cow parsnip"
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