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English definition of “pin”

pin

noun [C]     /pɪn/
FOR CLOTH B1 a thin piece of metal with a sharp point used to fasten pieces of cloth, etc together: She pricked her finger on a pin.Knitting and sewing
FOR FASTENING a thin piece of metal, wood, plastic, etc that holds or fastens things together: He's had a metal pin put in his leg so that the bones heal properly. → See also drawing pin, pins and needles, rolling pin, safety pinPins, clips, hooks and pegs
(Definition of pin noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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