| Noun | 1. | chincapin - small nut of either of two small chestnut trees of the southern United States; resembles a hazelnut edible nut - a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell Allegheny chinkapin, Castanea pumila, dwarf chestnut, eastern chinquapin, chinquapin - shrubby chestnut tree of southeastern United States having small edible nuts Castanea ozarkensis, chinquapin, Ozark chinkapin, Ozark chinquapin - shrubby tree closely related to the Allegheny chinkapin but with larger leaves; southern midwestern United States |