/ Dictionary / Index A A.E. and P.: Meaning and Definition of Find definitions for: A.E. and P. Pronunciation: [key] Ambassador Extraordinary and Plenipotentiary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -aean AEC Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language