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English definition of “pin”

pin

noun [C] (IN CHESS)    /pɪn/ specialized
In the game of chess , a pin is a special move that stops the other player from moving one of their pieces , because to move it will put another more valuable piece in danger : That nasty pin stopped me from moving my knight .Chess
(Definition of pin noun (IN CHESS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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