Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various North American trees or shrubs of the genus Aesculus, having palmately compound, opposite leaves, erect panicles of white to red or yellow flowers, and large shiny seeds with a large attachment scar. All parts of the plant are poisonous.
  • n. The spiny or smooth fruit of any of these plants.
  • n. The large shiny brown seed of such a fruit.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several species of trees, of the genus Aesculus, or the related Mexican Buckeye (genus Ungnadia).
  • n. The seed or fruit of these plants
  • n. A native or resident of the American State of Ohio.

from the GNU version of the Collaborative International Dictionary of English

  • n. A name given to several American trees and shrubs of the same genus (Æsculus) as the horse chestnut.
  • n. A cant name for a native or resident of Ohio.

from The Century Dictionary and Cyclopedia

  • n. An American name for the different species of horse-chestnut, Æsculus, native to the United States.
  • n. An inhabitant of Ohio, which is often called the Buckeye State, from the great number of horse-chestnuts in it.
  • n. A flat-bottomed centerboard schooner of small size (3 to 15 tons), decked over, and with a cabin aft, used in oyster-fishing in Chesapeake Bay. Also called bugeye.
  • n. In entomology, an American nymphalid butterfly, Junonia cœnia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. tree having palmate leaves and large clusters of white to red flowers followed by brown shiny inedible seeds
  • n. the inedible nutlike seed of the horse chestnut
  • n. a native or resident of Ohio

Etymologies

buck1 + eye.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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