/ Dictionary / Index G grandiflora: Meaning and Definition of Find definitions for: gran•di•flo•ra Pronunciation: (gran"du-flôr'u, -flōr'u), [key] — n. any of several plant varieties or hybrids characterized by large showy flowers, as certain kinds of petunias, baby's breath, or roses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Grand Haven grandiloquence Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language