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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.]


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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mayweed - widespread rank-smelling weed having white-rayed flower heads with yellow discsmayweed - widespread rank-smelling weed having white-rayed flower heads with yellow discs
composite 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
References in periodicals archive ?
In Italy, from mid-May to late June, in the southern part of the Monti Sibilini National Park, wildflowers offer a fabulous tapestry of purple, yellow, white and red with masses of Cornflowers, mayweeds and Field Poppies.
In addition, Starane XL also has good activity on some of the main weed problems in spring cereals, including polygonums, mayweeds and chickweed.''