Definitions
1.nounAny of several species of trees of the genus Aesculus.
2.nounAny of several species of the related Mexican buckeye (genus Ungnadia).
3.nounThe seed or fruit of these plants.
4.nounA native or resident of the American state of Ohio.
5.nounThe Junonia coenia butterfly.
6.nounA confection made from peanut butter fudge partially dipped in chocolate to leave a circle of peanut butter visible, supposed to resemble the nut of the Ohio buckeye tree.