Definition of mayweed in English:

mayweed

Pronunciation /ˈmāwēd/ /ˈmeɪwid/

noun

  • A plant of the daisy family that typically grows as a weed of fields and waste ground.

    Several species in the family Compositae, in particular stinking mayweed (Anthemis cotula)

Origin

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