"outer borough" meaning in English

{
  "etymology_text": "outer + borough",
  "forms": [
    {
      "form": "outer boroughs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "outer borough (plural outer boroughs)",
      "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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "New York City",
          "orig": "en:New York City",
          "parents": [
            "New York, USA",
            "United States",
            "North America",
            "America",
            "Earth",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "One of the boroughs of New York City excluding Manhattan (the boroughs of the Bronx, Brooklyn, Queens and Staten Island)."
      ],
      "id": "en-outer_borough-en-noun-ZAHmidmw",
      "links": [
        [
          "borough",
          "borough"
        ],
        [
          "New York City",
          "New York City"
        ],
        [
          "Manhattan",
          "Manhattan"
        ],
        [
          "Bronx",
          "Bronx"
        ],
        [
          "Brooklyn",
          "Brooklyn"
        ],
        [
          "Queens",
          "Queens"
        ],
        [
          "Staten Island",
          "Staten Island"
        ]
      ]
    }
  ],
  "word": "outer borough"
}

{
  "etymology_text": "outer + borough",
  "forms": [
    {
      "form": "outer boroughs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "outer borough (plural outer boroughs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:New York City"
      ],
      "glosses": [
        "One of the boroughs of New York City excluding Manhattan (the boroughs of the Bronx, Brooklyn, Queens and Staten Island)."
      ],
      "links": [
        [
          "borough",
          "borough"
        ],
        [
          "New York City",
          "New York City"
        ],
        [
          "Manhattan",
          "Manhattan"
        ],
        [
          "Bronx",
          "Bronx"
        ],
        [
          "Brooklyn",
          "Brooklyn"
        ],
        [
          "Queens",
          "Queens"
        ],
        [
          "Staten Island",
          "Staten Island"
        ]
      ]
    }
  ],
  "word": "outer borough"
}