Breadcrumb Home > Dictionary > Index A Cite Aberdeen Proving Ground: Meaning and Definition of Find definitions for: Ab'erdeen Prov'ing Ground" Pronunciation: [key] a federal reservation and U.S. Army training center in NE Maryland, S of Aberdeen and on W Chesapeake Bay, that is the site of a military testing ground. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Aberdeen Angus Aberdeen terrier TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News A History of the New Year Saying "Happy New Year!" Around the World Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 How U.S. Presidential Elections Work Related Content Daily Word Quiz: troglodyte Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language