the ohio buckeye

from The Collaborative International Dictionary of English v.0.48

Buckeye \Buck"eye`\ (b[u^]k"[imac]`), n.
   1. (Bot.) A name given to several American trees and shrubs
      of the same genus ({[AE]sculus}) as the horse chestnut.
      [1913 Webster]

   {The Ohio buckeye}, or {Fetid buckeye}, is {Aesculus glabra}.
      

   {Red buckeye} is {Aesculus Pavia}.

   {Small buckeye} is {Aesculus paviflora}.

   {Sweet buckeye}, or {Yellow buckeye}, is {Aesculus flava}.
      [1913 Webster]

   2. A cant name for a native or resident of Ohio. [U.S.]
      [1913 Webster]

   {Buckeye State}, Ohio; -- so called because buckeye trees
      abound there.
      [1913 Webster]