"finger lake" meaning in English

{
  "forms": [
    {
      "form": "finger lakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "finger lake (plural finger lakes)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1966, Geological Survey Special Report, numbers 43-48, page 4:",
          "text": "These sediments represent a finger lake that was formed by blockage of the mouth of the stream-cut valley, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "A long, narrow lake of glacial origin, especially one of the Finger Lakes of New York state."
      ],
      "id": "en-finger_lake-en-noun-MuVJjcpP",
      "links": [
        [
          "glacial",
          "glacial"
        ]
      ],
      "synonyms": [
        {
          "word": "fjord lake"
        },
        {
          "word": "trough lake"
        }
      ]
    }
  ],
  "word": "finger lake"
}

{
  "forms": [
    {
      "form": "finger lakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "finger lake (plural finger lakes)",
      "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 terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1966, Geological Survey Special Report, numbers 43-48, page 4:",
          "text": "These sediments represent a finger lake that was formed by blockage of the mouth of the stream-cut valley, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "A long, narrow lake of glacial origin, especially one of the Finger Lakes of New York state."
      ],
      "links": [
        [
          "glacial",
          "glacial"
        ]
      ],
      "synonyms": [
        {
          "word": "fjord lake"
        },
        {
          "word": "trough lake"
        }
      ]
    }
  ],
  "word": "finger lake"
}