/ Dictionary / Index D dun fly: Meaning and Definition of Find definitions for: dun' fly" Pronunciation: [key] — Angling. Angling. a dun-colored artificial fly that resembles the larval stage of certain real flies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dunfermline dung Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language