mayweed
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may·weed
(mā′wēd′)n.
A widespread weed (Anthemis cotula) in the composite family, having rank-smelling, bipinnately divided leaves and white-rayed flower heads. Also called dog fennel, stinking chamomile.
[Middle English maythe weed, mayyen wed, alteration (influenced by May maiden) of maithe, from Old English mægtha.]
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.
mayweed
(ˈmeɪˌwiːd)n
1. (Plants) Also called: dog fennel or stinking mayweed a widespread Eurasian weedy plant, Anthemis cotula, having evil-smelling leaves and daisy-like flower heads: family Asteraceae (composites)
2. (Plants) scentless mayweed a similar and related plant, Matricaria maritima, with scentless leaves
[C16: changed from Old English mægtha mayweed + weed1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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| Noun | 1. |  mayweed - widespread rank-smelling weed having white-rayed flower heads with yellow discscomposite plant, composite - considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers Anthemis, genus Anthemis - dog fennel |
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