/ Dictionary / Index D dustoff: Meaning and Definition of Find definitions for: dust•off Pronunciation: (dust'ôf", -of"), [key] — n. Mil. Slang. medevac (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dust mouse dustoor Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language