/ Dictionary / Index A antiaircraft: Meaning and Definition of Find definitions for: an•ti•air•craft Pronunciation: (an"tē-âr'kraft", -kräft", an"tī-), [key] — adj. designed for or used in defense against enemy aircraft. —n. artillery used against enemy aircraft. a military organization operating and servicing antiaircraft artillery. shellfire from antiaircraft artillery: The planes flew through heavy antiaircraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antiaircraft (Thesaurus) antiaging antialcoholism Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language