Breadcrumb Home > Dictionary > Index B base exchange: Meaning and Definition of Find definitions for: base' exchange" Pronunciation: [key] — U.S. Air Force. U.S. Air Force. a department store operated under government supervision at an air base. Abbr.: BX Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. base estate basehearted TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recondite Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language