blue cohosh

noun

1. See under cohosh.

noun

1. either of two unrelated plants of the eastern U.S., Cimicifuga racemosa (black cohosh), of the buttercup family, or Caulophyllum thalictroides (blue cohosh), of the barberry family, both used medicinally.

noun

1. any of several North American plants, such as the blue cohosh (Caulophyllum thalictroides: family Leonticaceae) and black cohosh (Cimicifuga racemosa: family Ranunculaceae)