"ОУН" meaning in Ukrainian

{
  "etymology_templates": [
    {
      "args": {
        "1": "uk",
        "2": "Організа́ція украї́нських націоналі́стів"
      },
      "expansion": "Initialism of Організа́ція украї́нських націоналі́стів (Orhanizácija ukrajínsʹkyx nacionalístiv)",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Організа́ція украї́нських націоналі́стів (Orhanizácija ukrajínsʹkyx nacionalístiv)",
  "forms": [
    {
      "form": "OUN",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "stress",
      "tags": [
        "unknown"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ОУН",
        "2": "f-in",
        "3": "-",
        "unknown_stress": "1"
      },
      "expansion": "ОУН • (OUN) f inan (unknown stress, indeclinable)",
      "name": "uk-proper noun"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "uk",
          "name": "History of Ukraine",
          "orig": "uk:History of Ukraine",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "uk",
          "name": "Nationalism",
          "orig": "uk:Nationalism",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "uk",
          "name": "Ukraine",
          "orig": "uk:Ukraine",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "uk",
          "name": "Ukrainian politics",
          "orig": "uk:Ukrainian politics",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "roman": "bojívka",
          "word": "бої́вка"
        },
        {
          "roman": "povstánsʹka písnja",
          "word": "повста́нська пі́сня"
        },
        {
          "roman": "UPÁ",
          "word": "УПА́"
        }
      ],
      "derived": [
        {
          "roman": "oúnivecʹ",
          "word": "оу́нівець"
        },
        {
          "roman": "oúnivsʹkyj",
          "word": "оу́нівський"
        }
      ],
      "glosses": [
        "Organization of Ukrainian Nationalists, OUN"
      ],
      "id": "en-ОУН-uk-name-mM3OFU0C",
      "links": [
        [
          "OUN",
          "OUN"
        ]
      ],
      "raw_glosses": [
        "(historical) Organization of Ukrainian Nationalists, OUN"
      ],
      "tags": [
        "historical",
        "indeclinable"
      ]
    }
  ],
  "word": "ОУН"
}

{
  "coordinate_terms": [
    {
      "roman": "bojívka",
      "word": "бої́вка"
    },
    {
      "roman": "povstánsʹka písnja",
      "word": "повста́нська пі́сня"
    },
    {
      "roman": "UPÁ",
      "word": "УПА́"
    }
  ],
  "derived": [
    {
      "roman": "oúnivecʹ",
      "word": "оу́нівець"
    },
    {
      "roman": "oúnivsʹkyj",
      "word": "оу́нівський"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "uk",
        "2": "Організа́ція украї́нських націоналі́стів"
      },
      "expansion": "Initialism of Організа́ція украї́нських націоналі́стів (Orhanizácija ukrajínsʹkyx nacionalístiv)",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Організа́ція украї́нських націоналі́стів (Orhanizácija ukrajínsʹkyx nacionalístiv)",
  "forms": [
    {
      "form": "OUN",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "stress",
      "tags": [
        "unknown"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ОУН",
        "2": "f-in",
        "3": "-",
        "unknown_stress": "1"
      },
      "expansion": "ОУН • (OUN) f inan (unknown stress, indeclinable)",
      "name": "uk-proper noun"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Requests for accents in Ukrainian proper noun entries",
        "Ukrainian entries with incorrect language header",
        "Ukrainian feminine nouns",
        "Ukrainian inanimate nouns",
        "Ukrainian indeclinable nouns",
        "Ukrainian initialisms",
        "Ukrainian lemmas",
        "Ukrainian proper nouns",
        "Ukrainian terms with historical senses",
        "Ukrainian terms with redundant head parameter",
        "uk:History of Ukraine",
        "uk:Nationalism",
        "uk:Ukraine",
        "uk:Ukrainian politics"
      ],
      "glosses": [
        "Organization of Ukrainian Nationalists, OUN"
      ],
      "links": [
        [
          "OUN",
          "OUN"
        ]
      ],
      "raw_glosses": [
        "(historical) Organization of Ukrainian Nationalists, OUN"
      ],
      "tags": [
        "historical",
        "indeclinable"
      ]
    }
  ],
  "word": "ОУН"
}