A stone or marker placed in the middle of a curling rink; the stone used to determine the center point in the game of curling.
From dialectal or specialized curling terminology, possibly from 'cherry' (center) and 'cock' (the target stone). Scottish curling vocabulary that remained regional until the sport became international.
Curling is one of the oldest team sports still played with the same basic rules—and that chercock in the middle is basically the ancient ancestor of modern target sports!
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