/ Dictionary / Index B balloon vine: Meaning and Definition of Find definitions for: balloon' vine" Pronunciation: [key] a tropical climbing plant, Cardiospermum halicacabum, of the soapberry family, bearing big, bladderlike pods and black seeds with a white, heart-shaped spot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. balloon tire ballot Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language