/ Dictionary / Index P PBA: Meaning and Definition of Find definitions for: PBA Pronunciation: [key] Professional Bowlers Association. Public Buildings Administration. P.B.A. Pronunciation: [key] Patrolmen's Benevolent Association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PB PBB Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language