Definition of fool's parsley in English:

fool's parsley

Pronunciation /ˈfo͞olz ˌpärslē/ /ˈfulz ˌpɑrsli/

noun

  • A poisonous white-flowered plant of the parsley family, with fernlike leaves and an unpleasant smell, native to Eurasia and North Africa.

    Aethusa cynapium, family Umbelliferae

    ‘Do you have witches’ thimbles, devil's nettle, fool's parsley, or wolf's bane in your garden?’
    • ‘Both poison hemlock and fool's parsley smell nasty; just roll some leaves between your thumb and forefinger, and smell.’
    • ‘Although fairly toxic, fool's parsley has occasionally been used in folk medicine.’
    • ‘This is fool's parsley, a plant you'd better not consume.’