/ Dictionary / Index G grapefruit: Meaning and Definition of Find definitions for: grape•fruit Pronunciation: (grāp'frt"), [key] — n. a large, roundish, yellow-skinned, edible citrus fruit having a juicy, acid pulp. the tropical or semitropical tree, Citrus paradisi, yielding this fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grapefruit (Thesaurus) grape fern grapefruit league 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