Blue cohosh

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A perennial American herb (Caulophyllum thalictroides), the root of which is used in medicine. countable, uncountable
  2. 2
    tall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally wordnet