/ Dictionary / Index S spinach-rhubarb: Meaning and Definition of Find definitions for: spin•ach-rhu•barb Pronunciation: (spin'ich-r"bärb), [key] — n. an Ethiopian plant, Rumex abyssinicus, of the buckwheat family, having leaves that are sometimes used as spinach and leafstalks sometimes used as rhubarb. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spinach dock spinal Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language