"demidistance" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "demi",
        "3": "distance"
      },
      "expansion": "demi- + distance",
      "name": "prefix"
    }
  ],
  "etymology_text": "demi- + distance",
  "forms": [
    {
      "form": "demidistances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "demidistance (plural demidistances)",
      "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 demi-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The distance between the outward polygons and the flank."
      ],
      "id": "en-demidistance-en-noun-4MVjC0GI",
      "links": [
        [
          "outward",
          "outward"
        ],
        [
          "polygon",
          "polygon"
        ],
        [
          "flank",
          "flank"
        ]
      ],
      "raw_glosses": [
        "(fortifications, historical) The distance between the outward polygons and the flank."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "fortifications",
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "demidistance"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "demi",
        "3": "distance"
      },
      "expansion": "demi- + distance",
      "name": "prefix"
    }
  ],
  "etymology_text": "demi- + distance",
  "forms": [
    {
      "form": "demidistances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "demidistance (plural demidistances)",
      "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 demi-",
        "English terms with historical senses"
      ],
      "glosses": [
        "The distance between the outward polygons and the flank."
      ],
      "links": [
        [
          "outward",
          "outward"
        ],
        [
          "polygon",
          "polygon"
        ],
        [
          "flank",
          "flank"
        ]
      ],
      "raw_glosses": [
        "(fortifications, historical) The distance between the outward polygons and the flank."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "fortifications",
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "demidistance"
}