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agueweed

[ey-gyoo-weed]
noun
  1. a boneset, Eupatorium perfoliatum.
  2. a gentian, Gentianella quinquefolia, having bristly blue flowers.

Origin of agueweed

An Americanism dating back to 1885–90; ague + weed1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for agueweed

agueweed

noun
  1. a North American gentianaceous plant, Gentiana quinquefolia, that has clusters of pale blue-violet or white flowers
  2. another name for boneset
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