'Blessed thistle' definitions:

Definition of 'blessed thistle'

(from WordNet)
noun
Tall Old World biennial thistle with large clasping white- blotched leaves and purple flower heads; naturalized in California and South America [syn: milk thistle, lady's thistle, Our Lady's mild thistle, holy thistle, blessed thistle, Silybum marianum]
noun
Annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers [syn: blessed thistle, sweet sultan, Cnicus benedictus]

Definition of 'Blessed thistle'

From: GCIDE

Definition of 'Blessed thistle'

From: GCIDE
  • Blessed thistle \Bless"ed this"tle\ See under Thistle. [1913 Webster]