/ Dictionary / Index G grandaunt: Meaning and Definition of Find definitions for: grand•aunt Pronunciation: (grand'ant", -änt"), [key] — n. an aunt of one's father or mother; great-aunt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grandaunt (Thesaurus) Grand Army of the Republic grandbaby Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language