• synonyms


[koh-hosh, koh-hosh]
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  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.

Origin of cohosh

1790–1800, Americanism; < Eastern Abenaki kkwὰhas
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cohosh

Historical Examples

  • You should be able to design a number of pretty things from the cohosh leaves and berries, too.

    The Harvester

    Gene Stratton Porter

  • Another flower of the summer woods and hillsides is the Cohosh, with a stem from three to eight feet high.


    Alan Douglas

  • She learned the uses and prices of the plant, and also made drawings of cohosh, moonseed and bloodroot.

    The Harvester

    Gene Stratton Porter

British Dictionary definitions for cohosh


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

Word Origin

C18: probably of Algonquian origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012