English edit

 
Caulophyllum thalictroides
 
Actaea racemosa

Etymology edit

From an Algonquian word meaning "rough", probably Eastern Abenaki / Penobscot *kkwὰhas. Compare Massachusett kushki ((it is) rough). Compare English cocash.

Pronunciation edit

Noun edit

cohosh (countable and uncountable, plural cohoshes)

  1. A perennial American herb (Caulophyllum thalictroides), the rough rootstock of which is used in medicine.
  2. A smooth herb, Actaea racemosa, marketed for medicinal use.

Synonyms edit

Further reading edit