"消耗戦" meaning in Japanese

{
  "forms": [
    {
      "form": "消耗戦",
      "ruby": [
        [
          "消",
          "しょう"
        ],
        [
          "耗",
          "もう"
        ],
        [
          "戦",
          "せん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shōmōsen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しょうもうせん"
      },
      "expansion": "消(しょう)耗(もう)戦(せん) • (shōmōsen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "War",
          "orig": "ja:War",
          "parents": [
            "Conflict",
            "Military",
            "Violence",
            "Human behaviour",
            "Society",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "attrition warfare"
      ],
      "id": "en-消耗戦-ja-noun-LH6FcRxn"
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕo̞ːmo̞ːsẽ̞ɴ]"
    }
  ],
  "word": "消耗戦"
}

{
  "forms": [
    {
      "form": "消耗戦",
      "ruby": [
        [
          "消",
          "しょう"
        ],
        [
          "耗",
          "もう"
        ],
        [
          "戦",
          "せん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shōmōsen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しょうもうせん"
      },
      "expansion": "消(しょう)耗(もう)戦(せん) • (shōmōsen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "Pages with raw sortkeys",
        "ja:War"
      ],
      "glosses": [
        "attrition warfare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕo̞ːmo̞ːsẽ̞ɴ]"
    }
  ],
  "word": "消耗戦"
}