- 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. 2018
Examples from the Web for mayweed
- 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
C16: changed from Old English mægtha mayweed + weed 1