"web and pin" meaning in English

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  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "alt_of": [
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          "extra": "a cataract of the eye",
          "word": "pin and web"
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      "glosses": [
        "Alternative form of pin and web (“a cataract of the eye”)"
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      "id": "en-web_and_pin-en-noun-CexmByTN",
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        "(obsolete) Alternative form of pin and web (“a cataract of the eye”)"
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  "word": "web and pin"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a cataract of the eye",
          "word": "pin and web"
        }
      ],
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        "(obsolete) Alternative form of pin and web (“a cataract of the eye”)"
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  "word": "web and pin"
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