Noun corn mayweed has 2 senses
- scentless camomile, scentless false camomile, scentless mayweed, scentless hayweed, corn mayweed, Tripleurospermum inodorum, Matricaria inodorum - ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria
--1 is a kind of herb, herbaceous plant
--1 is a member of Tripleurospermum, genus Tripleurospermum
- corn chamomile, field chamomile, corn mayweed, Anthemis arvensis - European white-flowered weed naturalized in North America
--2 is a kind of composite, composite plant
--2 is a member of Anthemis, genus Anthemis
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