/ Dictionary / Index A air space: Meaning and Definition of Find definitions for: air' space" Pronunciation: [key] a space occupied by air. the amount of breathing air in a room or other enclosed space. the region of the atmosphere above a municipality, state, or nation, over which it has jurisdiction. the region of the atmosphere above a plot of ground, to which the owner has rights or access. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: airspace (Thesaurus) air sock airspeed Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language