'Polemonium' definitions:

Definition of 'polemonium'

From: WordNet
noun
Any plant of the genus Polemonium; most are low-growing often foul-smelling plants of temperate to Arctic regions

Definition of 'Polemonium'

From: GCIDE
  • Polemonium \Pol`e*mo"ni*um\ n. [NL., fr. Gr.? a kind of plant.] (Bot.) A genus of gamopetalous perennial herbs, including the Jacob's ladder and the Greek valerian. [1913 Webster]