Breadcrumb Home > Dictionary > Index A AAP: Meaning and Definition of Find definitions for: AAP Pronunciation: [key] Association of American Publishers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. a and s A.A.P.S.S. TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language