Buckeye definition

The seed.

(informal) A person born or living in Ohio, called the Buckeye State.

A nymphalid butterfly (Junonia coenia) of North America, having brownish wings with orange markings and conspicuous eyespots.

Any of several North American trees or shrubs of the genus Aesculus, having palmately compound leaves, erect panicles of white, yellow, or red flowers, and a leathery capsule containing one or more large seeds. All parts of the plant are poisonous.

The large shiny brown seed of any of these plants.

Any of various trees (genus Aesculus) of the horse-chestnut family with large capsules enclosing shiny brown seeds.

A common name for the Junonia coenia butterfly.