/ Dictionary / Index A air gauge: Meaning and Definition of Find definitions for: air' gauge" Pronunciation: [key] a gauge for measuring air pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air gas airglow Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language