/ Dictionary / Index A air chief marshal: Meaning and Definition of Find definitions for: air' chief" mar"shal Pronunciation: [key] — Brit. Brit. an air force commander of a rank comparable to an army general. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air chamber air cleaner Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language