/ Dictionary / Index P p. ae.: Meaning and Definition of Find definitions for: p. ae. Pronunciation: [key] (in prescriptions) equal parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Padus paean Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language