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silverweed

[sil-ver-weed]
noun
  1. a plant, Potentilla anserina, of the rose family, the leaves of which have a silvery pubescence on the underside.
  2. any of several other plants having leaves with a silvery appearance.
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Origin of silverweed

First recorded in 1570–80; silver + weed1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for silverweed

silverweed

noun
  1. a rosaceous perennial creeping plant, Potentilla anserina, with silvery pinnate leaves and yellow flowers
  2. any of various convolvulaceous shrubs of the genus Argyreia, of SE Asia and Australia, having silvery leaves and purple flowers
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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