a plant, Rumex hymenosepalus, of the buckwheat family, found from Oklahoma to California, having clustered, tuberous roots that yield tannin.
Origin of canaigre
1875–80, Americanism; < Mexican Spanish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a dock, Rumex hymenosepalus, of the southern US, the root of which yields a substance used in tanning
Word Origin for canaigre
C19: from Mexican Spanish
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