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fleawort

American  
[flee-wurt, -wawrt] / ˈfliˌwɜrt, -ˌwɔrt /

noun

  1. a European plantain, Plantago psyllium, having seeds that are used in medicine.


fleawort British  
/ ˈfliːˌwɜːt /

noun

  1. any of various plants of the genus Senecio , esp S. integrifolius , a European species with yellow daisy-like flowers and rosettes of downy leaves: family Asteraceae (composites)

  2. a Eurasian plantain, Plantago psyllium (or P. indica ), whose seeds resemble fleas and were formerly used as a flea repellent

  3. another name for ploughman's spikenard

"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

Etymology

Origin of fleawort

before 1000; Middle English flewort, Old English flēawyrt. See flea, wort 2