WordReference Random House Unabridged Dictionary of American English © 2025
balloon′ vine′,
- Plant Biologya tropical climbing plant, Cardiospermum halicacabum, of the soapberry family, bearing big, bladderlike pods and black seeds with a white, heart-shaped spot.
- 1830–40, American.
'balloon vine' also found in these entries (note: many are not synonyms or translations):