/ Dictionary / Index D dieffenbachia: Meaning and Definition of Find definitions for: dief•fen•bach•i•a Pronunciation: (dē"fun-bak'ē-u, -bä'kē-u), [key] — n. any of various plants belonging to the genus Dieffenbachia, of the arum family, native to tropical America, often cultivated as houseplants for their decorative foliage. Cf. dumb cane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dieffenbachia (Thesaurus) Diefenbaker Diégo-Suarez Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language