"n.d." meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
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      "expansion": "n.d.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "no date"
        }
      ],
      "categories": [],
      "glosses": [
        "Abbreviation of no date."
      ],
      "id": "en-n.d.-en-phrase-CEO0MpCV",
      "links": [
        [
          "no",
          "no#English"
        ],
        [
          "date",
          "date#English"
        ]
      ],
      "raw_glosses": [
        "(in bibliographies) Abbreviation of no date."
      ],
      "raw_tags": [
        "in bibliographies"
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    },
    {
      "alt_of": [
        {
          "extra": "used to indicate where information was not available, especially in tables, rather than leaving a blank",
          "word": "no data"
        }
      ],
      "categories": [
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Initialism of no data (used to indicate where information was not available, especially in tables, rather than leaving a blank)."
      ],
      "id": "en-n.d.-en-phrase-R-jO8sOi",
      "links": [
        [
          "data",
          "data#English"
        ]
      ],
      "raw_glosses": [
        "(academia) Initialism of no data (used to indicate where information was not available, especially in tables, rather than leaving a blank)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "academia",
        "scholarly",
        "sciences"
      ]
    }
  ],
  "word": "n.d."
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English phrases",
    "English terms spelled with ."
  ],
  "head_templates": [
    {
      "args": {
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "no date"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "glosses": [
        "Abbreviation of no date."
      ],
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          "no",
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        ],
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          "date",
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        ]
      ],
      "raw_glosses": [
        "(in bibliographies) Abbreviation of no date."
      ],
      "raw_tags": [
        "in bibliographies"
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    },
    {
      "alt_of": [
        {
          "extra": "used to indicate where information was not available, especially in tables, rather than leaving a blank",
          "word": "no data"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of no data (used to indicate where information was not available, especially in tables, rather than leaving a blank)."
      ],
      "links": [
        [
          "data",
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        ]
      ],
      "raw_glosses": [
        "(academia) Initialism of no data (used to indicate where information was not available, especially in tables, rather than leaving a blank)."
      ],
      "tags": [
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  ],
  "word": "n.d."
}