Blessed thistle Meaning, Definition & Usage

  1. noun tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
    Silybum marianum; milk thistle; holy thistle; lady's thistle; Our Lady's mild thistle.
  2. noun annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
    sweet sultan; Cnicus benedictus.

WordNet


Definitions
  1. Carduus benedictus, so named because it was formerly considered an antidote to the bite of venomous creatures.

Webster 1913