Conker is the name used in Britain, Ireland and some former British colonies for the nuts of horse-chestnut trees, when used in a game traditionally played by children, Conkers. Origin of name The name comes from the dialect word conker, meaning snail-shell (related to French conque meaning a conch), as the game was originally played using snail shells. The name may also be influenced by the verb conquer, as the game was also called conquerors. Conkers are also known regionally as obblyonkers,… (More on Conker)