Definition of sweet flag
:a perennial marsh herb (Acorus calamus) of the arum family with long narrow sword-shaped leaves and an aromatic rootstock — called also
calamus
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sweet flag
noun
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First Known Use of sweet flag
1765
Medical Dictionary
medical Definition of sweet flag
:a perennial marsh herb (Acorus calamus) of the arum family (Araceae) having long leaves and a pungent rootstock and used especially formerly as a flavoring agent and in folk medicine but now largely abandoned because of demonstrated carcinogenicity and toxicity in laboratory animals — see calamus
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