"QSL bureau" meaning in English

{
  "forms": [
    {
      "form": "QSL bureaus",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "QSL bureaux",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "QSL bureaux",
        "head": "QSL bureau"
      },
      "expansion": "QSL bureau (plural QSL bureaus or QSL bureaux)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Radio",
          "orig": "en:Radio",
          "parents": [
            "Telecommunications",
            "Communication",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A bureau through which QSL cards can be exchanged, usually run by a national amateur radio organisation."
      ],
      "id": "en-QSL_bureau-en-noun-EMcYXFzV",
      "links": [
        [
          "bureau",
          "bureau"
        ],
        [
          "QSL card",
          "QSL card"
        ],
        [
          "amateur radio",
          "amateur radio"
        ]
      ],
      "wikipedia": [
        "QSL card"
      ]
    }
  ],
  "word": "QSL bureau"
}

{
  "forms": [
    {
      "form": "QSL bureaus",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "QSL bureaux",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "QSL bureaux",
        "head": "QSL bureau"
      },
      "expansion": "QSL bureau (plural QSL bureaus or QSL bureaux)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English words containing Q not followed by U",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Radio"
      ],
      "glosses": [
        "A bureau through which QSL cards can be exchanged, usually run by a national amateur radio organisation."
      ],
      "links": [
        [
          "bureau",
          "bureau"
        ],
        [
          "QSL card",
          "QSL card"
        ],
        [
          "amateur radio",
          "amateur radio"
        ]
      ],
      "wikipedia": [
        "QSL card"
      ]
    }
  ],
  "word": "QSL bureau"
}