'grass-of-Parnassus' definitions:

Definition of 'grass-of-Parnassus'

(from WordNet)
noun
Any of various usually evergreen bog plants of the genus Parnassia having broad smooth basal leaves and a single pale flower resembling a buttercup [syn: parnassia, grass-of-Parnassus]

Definition of 'grass-of-Parnassus'

From: GCIDE
  • grass-of-Parnassus \grass-of-Parnassus\ n. Any of various usually evergreen bog plants of the genus Parnassia having broad smooth basal leaves and a single pale buttercuplike flower.
  • Syn: parnassia, grass of Parnassus. [WordNet 1.5]