"mallet finger" meaning in English

{
  "forms": [
    {
      "form": "mallet fingers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mallet finger (plural mallet fingers)",
      "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"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Healthcare",
            "Sciences",
            "Health",
            "All topics",
            "Body",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A finger with an extensor tendon injury at the farthest joint, usually caused by excessive bending of the fingertip."
      ],
      "id": "en-mallet_finger-en-noun-NOYbr0Tu",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "extensor",
          "extensor"
        ],
        [
          "tendon",
          "tendon"
        ],
        [
          "injury",
          "injury"
        ],
        [
          "joint",
          "joint"
        ]
      ],
      "raw_glosses": [
        "(medicine) A finger with an extensor tendon injury at the farthest joint, usually caused by excessive bending of the fingertip."
      ],
      "topics": [
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "mallet finger"
      ]
    }
  ],
  "word": "mallet finger"
}

{
  "forms": [
    {
      "form": "mallet fingers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mallet finger (plural mallet fingers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "en:Medicine"
      ],
      "glosses": [
        "A finger with an extensor tendon injury at the farthest joint, usually caused by excessive bending of the fingertip."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "extensor",
          "extensor"
        ],
        [
          "tendon",
          "tendon"
        ],
        [
          "injury",
          "injury"
        ],
        [
          "joint",
          "joint"
        ]
      ],
      "raw_glosses": [
        "(medicine) A finger with an extensor tendon injury at the farthest joint, usually caused by excessive bending of the fingertip."
      ],
      "topics": [
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "mallet finger"
      ]
    }
  ],
  "word": "mallet finger"
}