"Royal Mail" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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          "kind": "topical",
          "langcode": "en",
          "name": "Post",
          "orig": "en:Post",
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            "Communication",
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            "Fundamental"
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      ],
      "glosses": [
        "The national postal service of the United Kingdom."
      ],
      "id": "en-Royal_Mail-en-name-0LTxkSIz",
      "links": [
        [
          "national",
          "national"
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        [
          "postal",
          "postal"
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          "service",
          "service"
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        [
          "United Kingdom",
          "United Kingdom"
        ]
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      "translations": [
        {
          "code": "cy",
          "lang": "Welsh",
          "sense": "postal service of the United Kingdom",
          "word": "Post Brenhinol"
        }
      ],
      "wikipedia": [
        "Royal Mail"
      ]
    }
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  "word": "Royal Mail"
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  "lang_code": "en",
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          "United Kingdom",
          "United Kingdom"
        ]
      ],
      "wikipedia": [
        "Royal Mail"
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  "translations": [
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "postal service of the United Kingdom",
      "word": "Post Brenhinol"
    }
  ],
  "word": "Royal Mail"
}