cohosh Meaning, Definition & Usage

  1. noun a plant of the genus Actaea having acrid poisonous berries
    baneberry; herb Christopher.

WordNet

Co"hosh noun
Definitions
  1. (Bot.) A perennial American herb (Caulophyllum thalictroides), whose roostock is used in medicine; -- also called pappoose root. The name is sometimes also given to the Cimicifuga racemosa, and to two species of Actæa, plants of the Crowfoot family.

Webster 1913