/ Dictionary / Index G goldenseal: Meaning and Definition of Find definitions for: gold•en•seal Pronunciation: (gōl'dun-sēl"), [key] — n. a plant, Hydrastis canadensis, of the buttercup family, having a thick yellow rootstock. Also calledthe rhizomes and roots of this plant, formerly used in medicine as an astringent and to inhibit bleeding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: goldenseal (Thesaurus) golden rule golden section Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language