goldenseal definition by Webster's New World
Webster\'s New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an American plant (Hydrastis canadensis) of the buttercup family, with large, round leaves and a thick, yellow rootstock, formerly much used in medicine
goldenseal definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A North American woodland plant (Hydrastis canadensis) in the buttercup family, having small greenish-white flowers and a yellow root used in herbal medicine.
goldenseal definition by Wiktionary