"Southern Tier" meaning in English

{
  "forms": [
    {
      "form": "the Southern Tier",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Southern Tier"
      },
      "expansion": "the Southern Tier",
      "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"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Places in New York, USA",
          "orig": "en:Places in New York, USA",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Places in the United States",
          "orig": "en:Places in the United States",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An area in New York, variously described, but approximately comprising the state's counties that border Pennsylvania, except Sullivan County."
      ],
      "id": "en-Southern_Tier-en-name-VE1jkS6F",
      "links": [
        [
          "New York",
          "New York#English"
        ]
      ]
    }
  ],
  "word": "Southern Tier"
}

{
  "forms": [
    {
      "form": "the Southern Tier",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Southern Tier"
      },
      "expansion": "the Southern Tier",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "en:Places in New York, USA",
        "en:Places in the United States"
      ],
      "glosses": [
        "An area in New York, variously described, but approximately comprising the state's counties that border Pennsylvania, except Sullivan County."
      ],
      "links": [
        [
          "New York",
          "New York#English"
        ]
      ]
    }
  ],
  "word": "Southern Tier"
}