"testamentation" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "testament",
        "3": "ation"
      },
      "expansion": "testament + -ation",
      "name": "suffix"
    }
  ],
  "etymology_text": "testament + -ation",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "testamentation (uncountable)",
      "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": "English terms suffixed with -ation",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1760-1765, Edmund Burke, Tracts relative to the Laws against Popery in Ireland\nBy this law the right of testamentation was taken away , which the inferior tenures had always enjoyed ; and all tenures from the 27th Hen. VIII."
        }
      ],
      "glosses": [
        "The act or power of giving by testament, or will."
      ],
      "id": "en-testamentation-en-noun-uVhwbt4n",
      "links": [
        [
          "testament",
          "testament"
        ],
        [
          "will",
          "will"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "testamentation"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "testament",
        "3": "ation"
      },
      "expansion": "testament + -ation",
      "name": "suffix"
    }
  ],
  "etymology_text": "testament + -ation",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "testamentation (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -ation",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "text": "1760-1765, Edmund Burke, Tracts relative to the Laws against Popery in Ireland\nBy this law the right of testamentation was taken away , which the inferior tenures had always enjoyed ; and all tenures from the 27th Hen. VIII."
        }
      ],
      "glosses": [
        "The act or power of giving by testament, or will."
      ],
      "links": [
        [
          "testament",
          "testament"
        ],
        [
          "will",
          "will"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "testamentation"
}