/ Dictionary / Index D duodenary: Meaning and Definition of Find definitions for: du•o•den•a•ry Pronunciation: (d"u-den'u-rē, -dē'nu-rē, dy"-), [key] — adj. duodecimal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. duodenal ulcer duodenitis Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language