Definition of buckeye in English:



  • 1An American tree or shrub related to the horse chestnut, with showy red or white flowers.

    • ‘Other woody plants include fragrant sumac, evergreen sumac, little walnut, Mexican buckeye, Texas persimmon, Texas snowbell, and western white honeysuckle.’
    • ‘White ash, buckeye, shellbark hickory, honey locust, black cherry, and red and yellow oak claimed slightly better drained land, threaded by enormous tangles of grapevine and poison ivy.’
    • ‘It sickens nearly two dozen other hosts that range from California buckeye, bay laurel, and bigleaf maple to redwood, some rhododendrons, and even certain blueberry cultivars.’
    • ‘Other less prominent tree types included various hickories, other ash species, white oak, black walnut, butternut, basswood, yellow buckeye, elm, black cherry, black gum, and tulip tree.’
    • ‘Beneath these grow red buckeye, whose clusters of bright red flowers enliven the forest in early spring.’
    1. 1.1The nut of the buckeye.
      • ‘Once again we are reminded that the buckeye [symbol of the state of Ohio] is a nut, and not just any old nut - a poisonous nut.’
      • ‘Paint the cone form green and glue on acorns, small pinecones, buckeyes, or sweetgum balls to decorate it (hold each in place until the glue sets).’
      • ‘For the last year, Kerry also has been carrying a four-leaf clover from a supporter in Iowa and a buckeye chestnut from Ohio.’
      • ‘While chestnuts and horse-chestnuts are flat on one side and gently rounded on the other, with a flattened, round abscission scar at the top and a pointed tip at the bottom, the smaller buckeyes are more uniformly spherical, albeit irregular in shape.’
      • ‘In late September last year, Thomas had a bone spur the size of a buckeye removed from his right ankle, along with reconstructive surgery on his right little toe.’
  • 2An orange and brown New World butterfly with conspicuous eyespots on the wings.

    • ‘He worked with the buckeye butterfly, which has bold bull's-eye spots on its fore and hind wings.’
    • ‘Most people's attitudes toward caterpillars are based on this sort of lowly image and range from distaste (for, say, large hornworms munching on tomatoes in the garden) to indifference (toward, say, buckeye larvae chomping on weeds).’
    • ‘Gulf fritillaries, buckeyes, and monarchs travel through the greenway on their annual trip to their winter grounds in Mexico.’
    • ‘Variegated fritillary and common buckeye butterflies that the researchers captured, marked, and released in the central patch proved two to four times as likely to show up in connected patches as in unconnected ones.’
    • ‘Many lepidopteran species (particularly specialists, such as the buckeye butterfly, which concentrates on species in the family Scrophulariaceae) oviposit directly on the desired host plant due to limited mobility of the larvae.’
  • 3US informal A native of the state of Ohio.

    • ‘Our Richard Quest is in that lynchpin state trying to determine precisely what a Buckeye is.’
    • ‘He is a native Buckeye and began his career in law enforcement with the United States Army. He served as a Military Police Officer from 1968 to 1971.’
    • ‘Hocking H. Hunter, Supreme Judge, was a Buckeye by birth and education. He was born at Lancaster, August 23, 1801, and died at his residence in that city, February 4, 1872.’
    • ‘Since I was born in Ohio and always lived in this state, I am a native "buckeye". Yes, I am avid fan of the Ohio State football team and like to watch their games on television.’
    • ‘If you recall, I am an OH Buckeye born and raised, and so are three of my children.’
  • 4A kind of automatic coupling for railway rolling stock.

    • ‘They have all welded steel construction of the bodies, Pullman gangways and buckeye couplings.’
    • ‘In 1969 it was fitted with a warning bell, cowcatcher, and buckeye couplings before travelling to the US and Canada.’
    • ‘The conclusion reached was that the use of screw couplings between coaches was inadvisable, and buckeye couplings should be used for push-pull operation.’
    • ‘After arrival, the buckeye couplings were replaced with screw couplings.’
    • ‘The buckeye coupling can be clearly seen on the ‘inner’ end of the wagon.’