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Definition of Smartweed
1. n. An acrid plant of the genus Polygonum (P. Hydropiper), which produces smarting if applied where the skin is tender.
Definition of Smartweed
1. [n -S]
Medical Definition of Smartweed
1. 
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1. n. An acrid plant of the genus Polygonum (P. Hydropiper), which produces smarting if applied where the skin is tender.
1. [n -S]
1.