"前哨戦" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "ぜんしょうせん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 軍事",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "本戦が始まる前に前哨の部隊の間で行う小さな戦闘。"
      ],
      "id": "ja-前哨戦-ja-noun-paRF8p4E",
      "topics": [
        "military"
      ]
    },
    {
      "glosses": [
        "本格的な活動の前に行う準備的な行動。"
      ],
      "id": "ja-前哨戦-ja-noun-SFztTLaZ"
    }
  ],
  "word": "前哨戦"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "ぜんしょうせん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 軍事"
      ],
      "glosses": [
        "本戦が始まる前に前哨の部隊の間で行う小さな戦闘。"
      ],
      "topics": [
        "military"
      ]
    },
    {
      "glosses": [
        "本格的な活動の前に行う準備的な行動。"
      ]
    }
  ],
  "word": "前哨戦"
}