"postulatum" meaning in English

{
  "forms": [
    {
      "form": "postulata",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "postulata"
      },
      "expansion": "postulatum (plural postulata)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1840, Abel Upshur, A Brief Enquiry into the Nature and Character of our Federal Government, Campbell, page 61",
          "text": "The unity or identity of the people of the United States has been taken as a postulatum, without one serious attempt to prove it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A postulate."
      ],
      "id": "en-postulatum-en-noun-yc0CF1mQ",
      "links": [
        [
          "postulate",
          "postulate"
        ]
      ]
    }
  ],
  "word": "postulatum"
}

{
  "forms": [
    {
      "form": "postulata",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "postulata"
      },
      "expansion": "postulatum (plural postulata)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1840, Abel Upshur, A Brief Enquiry into the Nature and Character of our Federal Government, Campbell, page 61",
          "text": "The unity or identity of the people of the United States has been taken as a postulatum, without one serious attempt to prove it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A postulate."
      ],
      "links": [
        [
          "postulate",
          "postulate"
        ]
      ]
    }
  ],
  "word": "postulatum"
}