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bitter cress

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noun
  1. any plant belonging to the genus Cardamine, of the mustard family, having usually pinnate leaves and clusters of white, pink, or purple flowers.
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Origin of bitter cress

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for bittercress

bittercress

noun
  1. one of several perennial or annual plants of the genus Cardamine, that are related to lady's-smock, including hairy bittercress (C. hirsuta), a common weed resembling shepherd's purse, with which it is often confused: family: Brassicaceae (crucifers)
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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