/ Dictionary / Index D dionaea: Meaning and Definition of Find definitions for: di•o•nae•a Pronunciation: (dī"u-nē'u), [key] — n. the Venus's-flytrap. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dionaea (Thesaurus) Diomedes Dione 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