"danger money" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "danger money (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"
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          "source": "w"
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          "parents": [],
          "source": "w"
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Money",
          "orig": "en:Money",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Extra money paid to workers as compensation for dangerous work."
      ],
      "hyponyms": [
        {
          "word": "height money"
        }
      ],
      "id": "en-danger_money-en-noun-iS7~jpJI",
      "links": [
        [
          "compensation",
          "compensation"
        ],
        [
          "dangerous",
          "dangerous"
        ],
        [
          "work",
          "work"
        ]
      ],
      "related": [
        {
          "word": "dirty money"
        }
      ],
      "synonyms": [
        {
          "word": "danger pay"
        },
        {
          "word": "hazard pay"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "danger money"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "danger money (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "dirty money"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "en:Money"
      ],
      "glosses": [
        "Extra money paid to workers as compensation for dangerous work."
      ],
      "hyponyms": [
        {
          "word": "height money"
        }
      ],
      "links": [
        [
          "compensation",
          "compensation"
        ],
        [
          "dangerous",
          "dangerous"
        ],
        [
          "work",
          "work"
        ]
      ],
      "synonyms": [
        {
          "word": "danger pay"
        },
        {
          "word": "hazard pay"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "danger money"
}