"monter au front" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "monter au front",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Military",
          "orig": "fr:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "77 23",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "to go up to the front lines"
      ],
      "id": "en-monter_au_front-fr-verb-40tbRtfU",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "front line",
          "front line"
        ]
      ],
      "raw_glosses": [
        "(military) to go up to the front lines"
      ],
      "related": [
        {
          "_dis1": "100 0",
          "word": "monter au créneau"
        }
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    },
    {
      "glosses": [
        "to enter the fray, to step up to the plate"
      ],
      "id": "en-monter_au_front-fr-verb-iOvUmXC3",
      "links": [
        [
          "enter",
          "enter"
        ],
        [
          "fray",
          "fray"
        ],
        [
          "step up to the plate",
          "step up to the plate"
        ]
      ],
      "raw_glosses": [
        "(figuratively) to enter the fray, to step up to the plate"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɔ̃.te o fʁɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-Lyokoï-monter au front.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav.ogg",
      "text": "Audio"
    },
    {
      "audio": "LL-Q150 (fra)-DenisdeShawi-monter au front.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1b/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1b/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav.ogg",
      "tags": [
        "Canada"
      ],
      "text": "Audio (CAN)"
    }
  ],
  "word": "monter au front"
}

{
  "categories": [
    "French entries with incorrect language header",
    "French lemmas",
    "French multiword terms",
    "French terms with IPA pronunciation",
    "French terms with audio links",
    "French verbs"
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "monter au front",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "related": [
    {
      "word": "monter au créneau"
    }
  ],
  "senses": [
    {
      "categories": [
        "fr:Military"
      ],
      "glosses": [
        "to go up to the front lines"
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "front line",
          "front line"
        ]
      ],
      "raw_glosses": [
        "(military) to go up to the front lines"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    },
    {
      "glosses": [
        "to enter the fray, to step up to the plate"
      ],
      "links": [
        [
          "enter",
          "enter"
        ],
        [
          "fray",
          "fray"
        ],
        [
          "step up to the plate",
          "step up to the plate"
        ]
      ],
      "raw_glosses": [
        "(figuratively) to enter the fray, to step up to the plate"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɔ̃.te o fʁɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-Lyokoï-monter au front.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c9/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav/LL-Q150_%28fra%29-Lyoko%C3%AF-monter_au_front.wav.ogg",
      "text": "Audio"
    },
    {
      "audio": "LL-Q150 (fra)-DenisdeShawi-monter au front.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1b/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1b/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav/LL-Q150_%28fra%29-DenisdeShawi-monter_au_front.wav.ogg",
      "tags": [
        "Canada"
      ],
      "text": "Audio (CAN)"
    }
  ],
  "word": "monter au front"
}