Definition of bladdernut in US English:

bladdernut

noun

also bladder nut
  • 1A shrub or small tree of north temperate regions that bears white flowers and inflated seed capsules.

    Genus Staphylea, family Staphyleaceae: several species, in particular the American bladdernut (S. trifolia) of the eastern US

    • ‘You experience the ancient landscape with its indigenous plant communities like blue bells in the bottomland; and purple joe pye weed, bladder nut, and golden alexander under the oak canopy.’
    • ‘The shrub cover is rather closed and contains saplings, red osier, grape vine and occasional pure stands of bladder nut.’
    • ‘In the marshes and stream banks are green dragon, blue flag irises, swamp white oak, silver maple, bladder nut, poison ivy, bulrush, and willow.’
    1. 1.1 The fruit of the bladdernut.

Pronunciation

bladdernut

/ˈbladərˌnət/