/ Dictionary / Index S sour gourd: Meaning and Definition of Find definitions for: sour' gourd' Pronunciation: [key] the acid fruit of any of several African or Australian trees belonging to the genus Adansonia, of the bombax family, as the baobab, A. digitata. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sourdough sour grapes 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