"дужках" meaning in Ukrainian

{
  "forms": [
    {
      "form": "дужка́х",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dužkáx",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "noun form",
        "g": "f-in-p",
        "head": "дужка́х"
      },
      "expansion": "дужка́х • (dužkáx) f inan pl",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "dúžka",
          "word": "ду́жка"
        }
      ],
      "glosses": [
        "locative plural of ду́жка (dúžka)"
      ],
      "id": "en-дужках-uk-noun-PrlwUk4H",
      "links": [
        [
          "ду́жка",
          "дужка#Ukrainian"
        ]
      ],
      "tags": [
        "form-of",
        "locative",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dʊʒˈkax]"
    }
  ],
  "word": "дужках"
}

{
  "forms": [
    {
      "form": "дужка́х",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dužkáx",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "noun form",
        "g": "f-in-p",
        "head": "дужка́х"
      },
      "expansion": "дужка́х • (dužkáx) f inan pl",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ukrainian entries with incorrect language header",
        "Ukrainian non-lemma forms",
        "Ukrainian noun forms",
        "Ukrainian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "dúžka",
          "word": "ду́жка"
        }
      ],
      "glosses": [
        "locative plural of ду́жка (dúžka)"
      ],
      "links": [
        [
          "ду́жка",
          "дужка#Ukrainian"
        ]
      ],
      "tags": [
        "form-of",
        "locative",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dʊʒˈkax]"
    }
  ],
  "word": "дужках"
}