"red dead man's fingers" meaning in English

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        "head": "red dead man's fingers"
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      "expansion": "red dead man's fingers (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
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          "name": "Soft corals",
          "orig": "en:Soft corals",
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      "glosses": [
        "A soft coral (Alcyonium palmatum)."
      ],
      "id": "en-red_dead_man's_fingers-en-noun-BZ8M~CtH",
      "links": [
        [
          "soft coral",
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        [
          "Alcyonium palmatum",
          "Alcyonium palmatum#Translingual"
        ]
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      "tags": [
        "uncountable"
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      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "Alcyonium palmatum",
          "tags": [
            "feminine"
          ],
          "word": "Große Meerhand"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "Alcyonium palmatum",
          "tags": [
            "feminine",
            "plural"
          ],
          "word": "méara mara"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Alcyonium palmatum",
          "tags": [
            "feminine"
          ],
          "word": "mano de muerto"
        }
      ]
    }
  ],
  "word": "red dead man's fingers"
}

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  "lang_code": "en",
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        "A soft coral (Alcyonium palmatum)."
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          "Alcyonium palmatum",
          "Alcyonium palmatum#Translingual"
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  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Alcyonium palmatum",
      "tags": [
        "feminine"
      ],
      "word": "Große Meerhand"
    },
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      "code": "ga",
      "lang": "Irish",
      "sense": "Alcyonium palmatum",
      "tags": [
        "feminine",
        "plural"
      ],
      "word": "méara mara"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Alcyonium palmatum",
      "tags": [
        "feminine"
      ],
      "word": "mano de muerto"
    }
  ],
  "word": "red dead man's fingers"
}