noun conk·er \ˈkäŋ-kər\

Definition of conker

  1. 1 :  a horse chestnut especially when used in conkers

  2. 2 conkers plural :  a game in which each player swings a horse chestnut on a string to try to break one held by the opponent

Origin and Etymology of conker

conch + 2-er, from the original use of a snail shell on a string in the game

First Known Use: circa 1886

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