| Noun | 1. | Vitis labrusca - native grape of northeastern United States; origin of many cultivated varieties e.g. Concord grapesfox grape - purplish-black wild grape of the eastern United States with tough skins that slip easily from the flesh; cultivated in many varieties genus Vitis, Vitis - the type genus of the family Vitaceae; woody vines with simple leaves and small flowers; includes a wide variety of grapes grape vine, grapevine, grape - any of numerous woody vines of genus Vitis bearing clusters of edible berries |