/ Dictionary / Index P pipperoo: Meaning and Definition of Find definitions for: pip•per•oo Pronunciation: (pip"u-r'), [key] — pl. -oos. pip (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pipper pippin Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language