Buck″eye′ (bŭk″ī′), n. 1. (Bot.) A name given to several American trees and shrubs of the same genus (Æsculus) as the horse chestnut.
The Ohio buckeye, orFetid buckeye, is Æsculus glabra. — Red buckeye is Æ. Pavia. — Small buckeye is Æ. paviflora. — Sweet buckeye, orYellow buckeye, is Æ. flava.
2. A cant name for a native in Ohio.
Buckeye State, Ohio; — so called because buckeye trees abound there.