/ Dictionary / Index G gran: Meaning and Definition of Find definitions for: gran Pronunciation: (gran), [key] — n. Informal. grandmother. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gran (Thesaurus) Gram-variable grana Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language