"interarmées" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "inter-",
        "3": "armées"
      },
      "expansion": "inter- + armées",
      "name": "af"
    }
  ],
  "etymology_text": "From inter- + armées.",
  "head_templates": [
    {
      "args": {
        "inv": "y"
      },
      "expansion": "interarmées (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms prefixed with inter-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Military",
          "orig": "fr:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "joint (of a combined force)"
      ],
      "id": "en-interarmées-fr-adj-ePqVHk2w",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "joint",
          "joint"
        ]
      ],
      "raw_glosses": [
        "(military) joint (of a combined force)"
      ],
      "tags": [
        "invariable"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "interarmées"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "inter-",
        "3": "armées"
      },
      "expansion": "inter- + armées",
      "name": "af"
    }
  ],
  "etymology_text": "From inter- + armées.",
  "head_templates": [
    {
      "args": {
        "inv": "y"
      },
      "expansion": "interarmées (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French adjectives",
        "French entries with incorrect language header",
        "French lemmas",
        "French terms prefixed with inter-",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Military"
      ],
      "glosses": [
        "joint (of a combined force)"
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "joint",
          "joint"
        ]
      ],
      "raw_glosses": [
        "(military) joint (of a combined force)"
      ],
      "tags": [
        "invariable"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "interarmées"
}