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Cotter pin
A split pin, the ends of which project through an object being fastened and are bent back to hold it in place.
📖 Definitions of "Cotter pin"
noun
- 1
A split pin, the ends of which project through an object being fastened and are bent back to hold it in place.
- 2
A pin or wedge inserted through a slot to hold machine parts together; a cotter.
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