/ Dictionary / Index G granddaughter: Meaning and Definition of Find definitions for: grand•daugh•ter Pronunciation: (gran'dô"tur), [key] — n. a daughter of one's son or daughter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: granddaughter (Thesaurus) granddaddy grand dragon Related Content Daily Word Quiz: pudgy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language