"death duty" meaning in English

{
  "forms": [
    {
      "form": "death duties",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "death duty (countable and uncountable, plural death duties)",
      "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": "topical",
          "langcode": "en",
          "name": "Taxation",
          "orig": "en:Taxation",
          "parents": [
            "Government",
            "Law",
            "Money",
            "Politics",
            "Society",
            "Justice",
            "Business",
            "All topics",
            "Economics",
            "Fundamental",
            "Social sciences",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008, Wolfgang Schön, editor, Tax and Corporate Governance, Springer Science & Business Media, page 133",
          "text": "Hardly a working day passes but we are asked if we can help the proprietors of a private company to dispose part of their holdings so as to prepare for or to pay death duties.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An inheritance tax or estate tax."
      ],
      "id": "en-death_duty-en-noun-SjNO6-qX",
      "links": [
        [
          "inheritance tax",
          "inheritance tax"
        ],
        [
          "estate tax",
          "estate tax"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "death duty"
}

{
  "forms": [
    {
      "form": "death duties",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "death duty (countable and uncountable, plural death duties)",
      "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",
        "English uncountable nouns",
        "en:Taxation"
      ],
      "examples": [
        {
          "ref": "2008, Wolfgang Schön, editor, Tax and Corporate Governance, Springer Science & Business Media, page 133",
          "text": "Hardly a working day passes but we are asked if we can help the proprietors of a private company to dispose part of their holdings so as to prepare for or to pay death duties.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An inheritance tax or estate tax."
      ],
      "links": [
        [
          "inheritance tax",
          "inheritance tax"
        ],
        [
          "estate tax",
          "estate tax"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "death duty"
}