/ Dictionary / Index P prayer flag: Meaning and Definition of Find definitions for: prayer' flag" Pronunciation: (prâr), [key] a flag stamped with printed prayers, used by Himalayan Buddhists, who believe that its fluttering sends out the prayers inscribed on it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prayer book prayerful Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language