/ Dictionary / Index A Air National Guard: Meaning and Definition of Find definitions for: Air' Na'tional Guard' Pronunciation: [key] a national guard organization similar to and coordinate with the U.S. Air Force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. airmobile air observer Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language