/ Dictionary / Index H hydrangea: Meaning and Definition of Find definitions for: hy•dran•gea Pronunciation: (hī-drān'ju, -jē-u, -dran'-), [key] — n. any shrub belonging to the genus Hydrangea, of the saxifrage family, several species of which are cultivated for their large, showy flower clusters of white, pink, or blue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydrangea (Thesaurus) hydralazine hydrant Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language