Definition of mayweed in English:

mayweed

noun

mass noun
  • A plant of the daisy family, typically found as a weed of arable land.

    Several species in the family Compositae, in particular stinking mayweed (Anthemis cotula) and scentless mayweed (Tripleurospermum inodorum)

Origin

Mid 16th century from maythe(n), an earlier name for this plant (in Old English mægethe, magothe), + weed.

Pronunciation

mayweed

/ˈmeɪwiːd/