"gridiron football" meaning in English

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  "etymology_text": "gridiron + football from the former demarcations on the football field, which was like a gridiron, and being a sport derived from rugby football",
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  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "gridiron football player"
        },
        {
          "word": "gridiron football ball"
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      "glosses": [
        "collectively, Canadian football and American football"
      ],
      "hypernyms": [
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          "word": "football"
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      "hyponyms": [
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          "word": "Canadian football"
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      "id": "en-gridiron_football-en-noun-L2Cc8Y8I",
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          "Canadian football",
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        {
          "word": "rugby football"
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        {
          "word": "soccer football"
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          "word": "association football"
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        {
          "word": "North American football"
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          "word": "football"
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      "tags": [
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  "word": "gridiron football"
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  "derived": [
    {
      "word": "gridiron football player"
    },
    {
      "word": "gridiron football ball"
    }
  ],
  "etymology_templates": [
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        "2": "gridiron",
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  ],
  "etymology_text": "gridiron + football from the former demarcations on the football field, which was like a gridiron, and being a sport derived from rugby football",
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      "expansion": "gridiron football (uncountable)",
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      "word": "football"
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    {
      "word": "Canadian football"
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      "word": "American football"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "rugby football"
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      "word": "soccer football"
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    {
      "word": "association football"
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      "glosses": [
        "collectively, Canadian football and American football"
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          "Canadian football",
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          "American football",
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      "word": "North American football"
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      "word": "football"
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  "word": "gridiron football"
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