Definition of "conker" []

• A horse-chestnut used in the game of conkers. (noun)

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• "A conker is a horse chestnut, whence conkers, the children's game."
• "In some towns it is the practice to remove the young nuts from the trees in July so as to prevent them from being stoned and broken by boys later on when the "conker" demand begins."
• "Toby Spence's apprentice David, glossy as a shiny conker in voice and manner, was impeccable."