/ Dictionary / Index U United States Air Force Academy: Meaning and Definition of Find definitions for: Unit'ed States' Air' Force" Acad"emy Pronunciation: [key] an institution at Colorado Springs, Colorado, for the training of U.S. Air Force officers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. United States Air Force United States Army Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language