/ Dictionary / Index R rudbeckia: Meaning and Definition of Find definitions for: rud•beck•i•a Pronunciation: (rud-bek'ē-u, rd-), [key] — n. any composite plant of the genus Rudbeckia, having alternate leaves and showy flower heads. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rudbeckia (Thesaurus) Ruda Śląska rudd Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language