Fool's parsley Meaning, Definition & Usage

  1. noun European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten
    Aethusa cynapium; lesser hemlock.

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Definitions
  1. . See under Fool.
Definitions
  1. (Bot.), an annual umbelliferous plant (Æthusa Cynapium) resembling parsley, but nauseous and poisonous.

Webster 1913