"vegetable mercury" meaning in English

{
  "etymology_text": "Said to have effects on the human body similar to those of mercury.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "vegetable mercury (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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Dogbane family plants",
          "orig": "en:Dogbane family plants",
          "parents": [
            "Gentianales order plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "latex of the milkweeds of genus Calotropis."
      ],
      "id": "en-vegetable_mercury-en-noun-c7VRX2Pb",
      "links": [
        [
          "latex",
          "latex"
        ],
        [
          "milkweed",
          "milkweed"
        ],
        [
          "Calotropis",
          "Calotropis#Translingual"
        ]
      ],
      "raw_glosses": [
        "(archaic) latex of the milkweeds of genus Calotropis."
      ],
      "related": [
        {
          "word": "mercury unrelated plants that also have a history of medicinal use"
        }
      ],
      "tags": [
        "archaic",
        "uncountable"
      ]
    }
  ],
  "word": "vegetable mercury"
}

{
  "etymology_text": "Said to have effects on the human body similar to those of mercury.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "vegetable mercury (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "mercury unrelated plants that also have a history of medicinal use"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with archaic senses",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Dogbane family plants"
      ],
      "glosses": [
        "latex of the milkweeds of genus Calotropis."
      ],
      "links": [
        [
          "latex",
          "latex"
        ],
        [
          "milkweed",
          "milkweed"
        ],
        [
          "Calotropis",
          "Calotropis#Translingual"
        ]
      ],
      "raw_glosses": [
        "(archaic) latex of the milkweeds of genus Calotropis."
      ],
      "tags": [
        "archaic",
        "uncountable"
      ]
    }
  ],
  "word": "vegetable mercury"
}