buckeye: Meaning and Definition of

buck•eye

1. any of various trees or shrubs of the genus Aesculus, as A. glabrahaving palmate leaves, gray, scaly bark, and bell-shaped greenish-yellow flowers in upright clusters: the state tree of Ohio.
2. the brown nut of any of these trees.
3. (cap.) a native or inhabitant of Ohio (used as a nickname).
4. a butterfly, Precis lavinia, having dark-brown wings with purple or red eyespots.