"Grand Exchange" meaning in English

{
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    {
      "form": "the Grand Exchange",
      "tags": [
        "canonical"
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    }
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        "head": "Grand Exchange"
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      "name": "en-proper noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "kind": "other",
          "langcode": "en",
          "name": "Colonialism",
          "orig": "en:Colonialism",
          "parents": [],
          "source": "w"
        },
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          "kind": "topical",
          "langcode": "en",
          "name": "Historical events",
          "orig": "en:Historical events",
          "parents": [
            "History",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The Columbian Exchange."
      ],
      "id": "en-Grand_Exchange-en-name-pX8bVZ7Y",
      "links": [
        [
          "Columbian Exchange",
          "Columbian Exchange"
        ]
      ],
      "wikipedia": [
        "Columbian exchange"
      ]
    }
  ],
  "word": "Grand Exchange"
}

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  "forms": [
    {
      "form": "the Grand Exchange",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
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  "lang_code": "en",
  "pos": "name",
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        "English multiword terms",
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        "en:Colonialism",
        "en:Historical events"
      ],
      "glosses": [
        "The Columbian Exchange."
      ],
      "links": [
        [
          "Columbian Exchange",
          "Columbian Exchange"
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      ],
      "wikipedia": [
        "Columbian exchange"
      ]
    }
  ],
  "word": "Grand Exchange"
}