"Hajnal line" meaning in All languages combined

{
  "etymology_text": "Proposed in 1965 by John Hajnal.",
  "forms": [
    {
      "form": "the Hajnal line",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1"
      },
      "expansion": "the Hajnal line",
      "name": "en-prop"
    }
  ],
  "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An imaginary line drawn between Saint Petersburg in Russia and Trieste in Italy, sometimes thought to divide Europe into two areas characterized by different levels of nuptiality, with lower marriage and fertility rates to the west, and higher rates to the east."
      ],
      "id": "en-Hajnal_line-en-name-9NpVG1Nj",
      "links": [
        [
          "Saint Petersburg",
          "Saint Petersburg"
        ],
        [
          "Russia",
          "Russia"
        ],
        [
          "Trieste",
          "Trieste"
        ],
        [
          "Italy",
          "Italy"
        ],
        [
          "divide",
          "divide"
        ],
        [
          "Europe",
          "Europe"
        ],
        [
          "nuptiality",
          "nuptiality"
        ]
      ],
      "wikipedia": [
        "John Hajnal"
      ]
    }
  ],
  "word": "Hajnal line"
}

{
  "etymology_text": "Proposed in 1965 by John Hajnal.",
  "forms": [
    {
      "form": "the Hajnal line",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1"
      },
      "expansion": "the Hajnal line",
      "name": "en-prop"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An imaginary line drawn between Saint Petersburg in Russia and Trieste in Italy, sometimes thought to divide Europe into two areas characterized by different levels of nuptiality, with lower marriage and fertility rates to the west, and higher rates to the east."
      ],
      "links": [
        [
          "Saint Petersburg",
          "Saint Petersburg"
        ],
        [
          "Russia",
          "Russia"
        ],
        [
          "Trieste",
          "Trieste"
        ],
        [
          "Italy",
          "Italy"
        ],
        [
          "divide",
          "divide"
        ],
        [
          "Europe",
          "Europe"
        ],
        [
          "nuptiality",
          "nuptiality"
        ]
      ],
      "wikipedia": [
        "John Hajnal"
      ]
    }
  ],
  "word": "Hajnal line"
}