"Western Canada" meaning in English

{
  "head_templates": [
    {
      "args": {
        "head": "Western Canada"
      },
      "expansion": "Western Canada",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "Northern Canada"
        },
        {
          "word": "Eastern Canada"
        }
      ],
      "glosses": [
        "The Western provinces of Canada."
      ],
      "hyponyms": [
        {
          "word": "Prairies"
        },
        {
          "word": "Prairie provinces"
        },
        {
          "word": "West Coast"
        }
      ],
      "id": "en-Western_Canada-en-name-UbMnVONs",
      "links": [
        [
          "Western provinces",
          "Western provinces"
        ],
        [
          "Canada",
          "Canada"
        ]
      ],
      "related": [
        {
          "word": "Central Canada"
        },
        {
          "word": "Atlantic Canada"
        },
        {
          "word": "Maritimes"
        }
      ],
      "wikipedia": [
        "Western Canada"
      ]
    }
  ],
  "word": "Western Canada"
}

{
  "coordinate_terms": [
    {
      "word": "Northern Canada"
    },
    {
      "word": "Eastern Canada"
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Western Canada"
      },
      "expansion": "Western Canada",
      "name": "en-proper noun"
    }
  ],
  "hyponyms": [
    {
      "word": "Prairies"
    },
    {
      "word": "Prairie provinces"
    },
    {
      "word": "West Coast"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Central Canada"
    },
    {
      "word": "Atlantic Canada"
    },
    {
      "word": "Maritimes"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns"
      ],
      "glosses": [
        "The Western provinces of Canada."
      ],
      "links": [
        [
          "Western provinces",
          "Western provinces"
        ],
        [
          "Canada",
          "Canada"
        ]
      ],
      "wikipedia": [
        "Western Canada"
      ]
    }
  ],
  "word": "Western Canada"
}