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 (to͞oth′wûrt′, -wôrt′)
1. Any of several eastern North American plants of the genus Cardamine of the mustard family, such as crinkleroot, having fibrous or fleshy rhizomes and palmately divided leaves.
2. A Eurasian plant (Lathraea squamata) of the figwort family, having scaly cream-colored or pink stems and pinkish flowers.

[From the toothlike divisions of the underground stems . Sense 2, from its tooth-shaped scales .]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Plants) a parasitic European scrophulariaceous plant, Lathraea squamaria, having no green parts, scaly cream or pink stems, pinkish flowers, and a rhizome covered with toothlike scales
2. (Plants) any North American or Eurasian plant of the genus Dentaria, having creeping rhizomes covered with toothlike projections: family Brassicaceae (crucifers). See also crinkleroot
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtuθˌwɜrt, -ˌwɔrt)

1. any parasitic plant of the genus Lathraea, of the broomrape family, having a rootstock covered with toothlike scales.
2. any plant of the genus Dentaria, of the mustard family, having toothlike projections on the rootstock.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.toothwort - North American herb with pungent scaly or toothed rootstoothwort - North American herb with pungent scaly or toothed roots
bitter cress, bittercress - any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except Antarctic
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