black cohosh

noun

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 that has ternately compound leaves and clusters of small white flowers
2 or less commonly black cohosh root : the rhizome and roots of the black cohosh used especially to treat symptoms of menopause; also : a preparation or extract of this root used as an herbal remedy

First Known Use of black cohosh

1828

in the meaning defined above

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Medical Dictionary

black cohosh

noun

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 RubinUSA Today11 Jan. 2007
Note: Black cohosh is also called black snakeroot and bugbane.

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