/ Dictionary / Index D didynamous: Meaning and Definition of Find definitions for: di•dyn•a•mous Pronunciation: (dī-din'u-mus), [key] — adj. (of a flower) having four stamens in two pairs of different length. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. didymous die 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