mayweed

[ mey-weed ]
/ ˈmeɪˌwid /
|

noun

a composite plant, Anthemis cotula, native to Europe and Asia but naturalized in North America, having pungent, rank-smelling foliage and flower heads with a yellow disk and white rays.

Origin of mayweed

1545–55; obsolete mayth mayweed (Middle English maithe, Old English mægtha) + weed1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for mayweed

mayweed

/ (ˈmeɪˌwiːd) /

noun

Also called: dog fennel, stinking mayweed a widespread Eurasian weedy plant, Anthemis cotula, having evil-smelling leaves and daisy-like flower heads: family Asteraceae (composites)
scentless mayweed a similar and related plant, Matricaria maritima, with scentless leaves

Word Origin for mayweed

C16: changed from Old English mægtha mayweed + weed 1
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