/ Dictionary / Index S sweepback: Meaning and Definition of Find definitions for: sweep•back Pronunciation: (swēp'bak"), [key] — n. Aeron. the shape of, or the angle formed by, an airplane wing or other airfoil the leading or trailing edge of which slopes backward from the fuselage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sweep account sweep check Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language