/ Dictionary / Index P pepperroot: Meaning and Definition of Find definitions for: pep•per•root Pronunciation: (pep'ur-rt", -root"), [key] — n. toothwort (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pepper rat peppershrike Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language