Prairie dock Meaning, Definition & Usage
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noun stout perennial herb of the eastern United States with whitish flowers; leaves traditionally used by Catawba Indians to treat burns
Parthenium integrifolium; wild quinine; American feverfew.
WordNet
Definitions
(Bot.) , a coarse composite plant (Silphium terebinthaceum ) with large rough leaves and yellow flowers, found in the Western prairies.