/ Dictionary / Index P PRA: Meaning and Definition of Find definitions for: PRA Pronunciation: [key] Public Roads Administration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PR practic Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language