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lady's-thumb

[ ley-deez-thuhm ]

noun

  1. a smartweed, Polygonum persicaria, of the buckwheat family, having pink or purplish flowers and lance-shaped leaves with a spot resembling a thumbprint.


lady's-thumb

noun

  1. the usual US name for red shank
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of lady's-thumb1

An Americanism dating back to 1830–40

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