Definition of cohosh in English:


Pronunciation /ˈkōhäSH/ /ˈkoʊhɑʃ/


  • Either of two medicinal plants native to North America.

    (also 'black cohosh') a plant of the buttercup family, with small white flowers (Cimicifuga racemosa, family Ranunculaceae)(also 'blue cohosh') a plant of the barberry family (Caulophyllum thalictroides, family Berberidaceae)

    ‘Some of the herbs that are listed as ingredients include damiana, chaste tree, black cohosh and saw palmetto.’
    • ‘Black cohosh should not be confused with the blue cohosh herb (also known as Caulophyllum thalictroides), which is used for different indications and has a greater potential for toxicity.’
    • ‘Research on natural hormone-like phytoestrogenic compounds - isoflavones - that are found in soy, red clover, black cohosh, etc., suggests that these ‘plant hormones’ can slow bone loss.’
    • ‘Herbs which research has confirmed to have potent estrogenic influence include black cohosh, red clover and alfalfa.’
    • ‘You should take dietary supplements like folic acid before and during pregnancy but avoid some herbal supplements (like blue cohosh in the firs two trimesters).’


Late 18th century from Eastern Abnaki.