Definition of black cohosh
: a bugbane (Cimicifuga racemosa) of the eastern United States
First Known Use of black cohosh
Medical Definition of black cohosh
1: a large perennial herb (Cimicifuga racemosa synonym Actaea racemosa) native to moist woodlands of the eastern U.S. and Canada and having racemes of small white flowers
2 also black cohosh root : the rhizome and roots of the black cohosh used especially to treat menopausal symptoms; also : a preparation or extract of this root used as an herbal remedy <… a year-long study involving 351 women published last month in the Annals of Internal Medicine, found that 160 milligrams of black cohosh a day was no more effective than a sugar pill.—Rita Rubin, USA Today, 11 Jan. 2007> ◆Black cohosh is also called black snakeroot and bugbane.
Learn More about black cohosh
Britannica.com: Encyclopedia article about black cohosh
Seen and Heard
What made you want to look up black cohosh? Please tell us where you read or heard it (including the quote, if possible).