/ Dictionary / Index D ducting: Meaning and Definition of Find definitions for: duct•ing Pronunciation: (duk'ting), [key] — n. ductwork. materials for making ducts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ductile iron duct keel Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language