/ Dictionary / Index P PGA: Meaning and Definition of Find definitions for: PGA Pronunciation: [key] Professional Golfers' Association. PGA Pronunciation: [key] — Biochem. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PG-13 Ph Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language