"subdural space" meaning in English

{
  "forms": [
    {
      "form": "subdural spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subdural space (plural subdural spaces)",
      "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",
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          "source": "w"
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          "name": "Terms with Mandarin translations",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A fluid-filled space or potential space between the dura mater and the arachnoid mater."
      ],
      "id": "en-subdural_space-en-noun-sNZ~U8tQ",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "space",
          "space"
        ],
        [
          "potential",
          "potential"
        ],
        [
          "dura mater",
          "dura mater"
        ],
        [
          "arachnoid mater",
          "arachnoid mater"
        ]
      ],
      "raw_glosses": [
        "(anatomy) A fluid-filled space or potential space between the dura mater and the arachnoid mater."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "yìngnǎomóxià qiāng",
          "sense": "space between the dura mater and the arachnoid mater",
          "word": "硬腦膜下腔 /硬脑膜下腔"
        }
      ]
    }
  ],
  "word": "subdural space"
}

{
  "forms": [
    {
      "form": "subdural spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subdural space (plural subdural spaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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        "en:Anatomy"
      ],
      "glosses": [
        "A fluid-filled space or potential space between the dura mater and the arachnoid mater."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "space",
          "space"
        ],
        [
          "potential",
          "potential"
        ],
        [
          "dura mater",
          "dura mater"
        ],
        [
          "arachnoid mater",
          "arachnoid mater"
        ]
      ],
      "raw_glosses": [
        "(anatomy) A fluid-filled space or potential space between the dura mater and the arachnoid mater."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "yìngnǎomóxià qiāng",
      "sense": "space between the dura mater and the arachnoid mater",
      "word": "硬腦膜下腔 /硬脑膜下腔"
    }
  ],
  "word": "subdural space"
}