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thor·ough·wort(thûr′ō-wûrt′, -wôrt′, thûr′ə-, thŭr′-)
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.
(Plants) another word for boneset
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any composite plant of the genus Eupatorium, esp. E. perfoliatum, of North America, having white flowers in a flat-topped cluster. Also called thoroughwort.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||thoroughwort - perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine|
Eupatorium, genus Eupatorium - large genus of chiefly tropical herbs having heads of white or purplish flowers
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