/ Dictionary / Index R resiniferous: Meaning and Definition of Find definitions for: res•in•if•er•ous Pronunciation: (rez"u-nif'ur-us), [key] — adj. yielding resin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. resin duct resinify Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language