"polyarthropathy" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "poly",
        "3": "arthropathy"
      },
      "expansion": "poly- + arthropathy",
      "name": "prefix"
    }
  ],
  "etymology_text": "poly- + arthropathy",
  "forms": [
    {
      "form": "polyarthropathies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "polyarthropathy (plural polyarthropathies)",
      "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 prefixed with poly-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Pathology",
          "orig": "en:Pathology",
          "parents": [
            "Medicine",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "disease in multiple joints"
      ],
      "id": "en-polyarthropathy-en-noun-iJv19ILz",
      "links": [
        [
          "pathology",
          "pathology"
        ],
        [
          "disease",
          "disease"
        ],
        [
          "joint",
          "joint"
        ]
      ],
      "raw_glosses": [
        "(pathology) disease in multiple joints"
      ],
      "topics": [
        "medicine",
        "pathology",
        "sciences"
      ]
    }
  ],
  "word": "polyarthropathy"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "poly",
        "3": "arthropathy"
      },
      "expansion": "poly- + arthropathy",
      "name": "prefix"
    }
  ],
  "etymology_text": "poly- + arthropathy",
  "forms": [
    {
      "form": "polyarthropathies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "polyarthropathy (plural polyarthropathies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with poly-",
        "en:Pathology"
      ],
      "glosses": [
        "disease in multiple joints"
      ],
      "links": [
        [
          "pathology",
          "pathology"
        ],
        [
          "disease",
          "disease"
        ],
        [
          "joint",
          "joint"
        ]
      ],
      "raw_glosses": [
        "(pathology) disease in multiple joints"
      ],
      "topics": [
        "medicine",
        "pathology",
        "sciences"
      ]
    }
  ],
  "word": "polyarthropathy"
}