wood sorrel

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noun

any of numerous plants of the genus Oxalis, especially O. acetosella, of Eurasia, having heart-shaped, trifoliolate leaves and white, pink-veined flowers.

Origin of wood sorrel

1515–25; translation of French sorrel de bois; replacing woodsour, so called from sour taste of the leaves
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for wood sorrel

wood sorrel

noun

a Eurasian plant, Oxalis acetosella, having trifoliate leaves, an underground creeping stem, and white purple-veined flowers: family Oxalidaceae

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