/ Dictionary / Index R ragwort: Meaning and Definition of Find definitions for: rag•wort Pronunciation: (rag'wûrt", -wôrt"), [key] — n. any of various composite plants of the genus Senecio, as S. jacobaea, of the Old World, having yellow flowers and irregularly lobed leaves, or S. aureusof North America, also having yellow flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ragwort (Thesaurus) ragwork rah Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language