Noun has 1 sense

• scentless hayweed(n = noun.plant) corn mayweed, matricaria inodorum, scentless camomile, scentless false camomile, scentless mayweed, tripleurospermum 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;