/ Dictionary / Index B begonia: Meaning and Definition of Find definitions for: be•go•nia Pronunciation: (bi-gōn'yu, -gō'nē-u), [key] — n. any tropical plant belonging to the genus Begonia, including species cultivated for the handsome, succulent leaves and waxy flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: begonia (Thesaurus) begone begorra Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language