conker
Americannoun
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a horse chestnut.
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the hollowed-out shell of a horse chestnut.
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conkers, a game in which a child swings a horse chestnut on a string in an attempt to break that of another player.
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of conker
1840–50; probably originally conquer; compare conquering a game played with snail shells (the name of the game presumably later transferred to the playing pieces)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The single combat involves swinging a conker -- a hardened horse chestnut -- on a string at your opponent's nut with murderous venom, until one is smashed to pieces.
From Barron's • Oct. 17, 2025
And they were needed, with one man disqualified for trying to smuggle a non-conforming conker in.
From Barron's • Oct. 17, 2025
A man accused of using a conker made of steel to win a competition "achieved his title fairly", an investigation concluded.
From BBC • Oct. 21, 2024
Mr Jakins, a conker competitor since 1977, denied using a steel horse chestnut at any point in the tournament, and said he kept a steel conker on him for "humour value".
From BBC • Oct. 21, 2024
Her voice, I noticed, had that same hard metallic quality as the voice of the witch I had met under the conker tree, only it was far louder and much much harsher.
From "The Witches" by Roald Dahl
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.