"cotter pin" meaning in English

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  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "glosses": [
        "A split pin, the ends of which project through an object being fastened and are bent back to hold it in place."
      ],
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      "id": "en-cotter_pin-en-noun-4QLbZXm0",
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      "raw_glosses": [
        "(US) A split pin, the ends of which project through an object being fastened and are bent back to hold it in place."
      ],
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        "US"
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      "glosses": [
        "A pin or wedge inserted through a slot to hold machine parts together; a cotter."
      ],
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          "wedge"
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          "cotter",
          "cotter"
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      ],
      "raw_glosses": [
        "(UK) A pin or wedge inserted through a slot to hold machine parts together; a cotter."
      ],
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        "UK"
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  "pos": "noun",
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      "glosses": [
        "A split pin, the ends of which project through an object being fastened and are bent back to hold it in place."
      ],
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        "(US) A split pin, the ends of which project through an object being fastened and are bent back to hold it in place."
      ],
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        "A pin or wedge inserted through a slot to hold machine parts together; a cotter."
      ],
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        "(UK) A pin or wedge inserted through a slot to hold machine parts together; a cotter."
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