/ Dictionary / Index F flatling: Meaning and Definition of Find definitions for: flat•ling Pronunciation: (flat'ling), [key] — adv. Brit. Dial. in a flat position; with the flat side, as of a sword. flatly or positively. —adj. dealt with the flat side. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flat light flat-out Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language