"WO" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO1"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO2"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO3"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO4"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO5"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "word": "OF"
    },
    {
      "word": "OR"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales du militaire",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abréviation de warrant officer ; code utilisé par l'OTAN pour désigner des grades correspondant à adjudant dans l'armée française."
      ],
      "id": "fr-WO-conv-symbol-7ydlxgw6",
      "topics": [
        "military"
      ]
    }
  ],
  "word": "WO"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "derived": [
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO1"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO2"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO3"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO4"
    },
    {
      "sense": "Code de grade de l'OTAN",
      "word": "WO5"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "word": "OF"
    },
    {
      "word": "OR"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales du militaire"
      ],
      "glosses": [
        "Abréviation de warrant officer ; code utilisé par l'OTAN pour désigner des grades correspondant à adjudant dans l'armée française."
      ],
      "topics": [
        "military"
      ]
    }
  ],
  "word": "WO"
}