"пятнадцатые" meaning in Russian

{
  "forms": [
    {
      "form": "пятна́дцатые",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "pjatnádcatyje",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "adjective form",
        "head": "пятна́дцатые"
      },
      "expansion": "пятна́дцатые • (pjatnádcatyje)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adj",
  "senses": [
    {
      "form_of": [
        {
          "extra": "(pjatnádcatyj):",
          "word": "пятна́дцатый"
        }
      ],
      "glosses": [
        "inflection of пятна́дцатый (pjatnádcatyj):",
        "nominative plural"
      ],
      "id": "en-пятнадцатые-ru-adj-~vZ4VS1v",
      "links": [
        [
          "пятна́дцатый",
          "пятнадцатый#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "nominative",
        "plural"
      ]
    },
    {
      "categories": [
        {
          "_dis": "37 63",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 84",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "(pjatnádcatyj):",
          "word": "пятна́дцатый"
        }
      ],
      "glosses": [
        "inflection of пятна́дцатый (pjatnádcatyj):",
        "accusative plural inanimate"
      ],
      "id": "en-пятнадцатые-ru-adj-USr-CZln",
      "links": [
        [
          "пятна́дцатый",
          "пятнадцатый#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "inanimate",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲɪtˈnat͡s(ː)ɨtɨje]"
    }
  ],
  "word": "пятнадцатые"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian 5-syllable words",
    "Russian adjective forms",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "пятна́дцатые",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "pjatnádcatyje",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "adjective form",
        "head": "пятна́дцатые"
      },
      "expansion": "пятна́дцатые • (pjatnádcatyje)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adj",
  "senses": [
    {
      "form_of": [
        {
          "extra": "(pjatnádcatyj):",
          "word": "пятна́дцатый"
        }
      ],
      "glosses": [
        "inflection of пятна́дцатый (pjatnádcatyj):",
        "nominative plural"
      ],
      "links": [
        [
          "пятна́дцатый",
          "пятнадцатый#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "nominative",
        "plural"
      ]
    },
    {
      "form_of": [
        {
          "extra": "(pjatnádcatyj):",
          "word": "пятна́дцатый"
        }
      ],
      "glosses": [
        "inflection of пятна́дцатый (pjatnádcatyj):",
        "accusative plural inanimate"
      ],
      "links": [
        [
          "пятна́дцатый",
          "пятнадцатый#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "inanimate",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲɪtˈnat͡s(ː)ɨtɨje]"
    }
  ],
  "word": "пятнадцатые"
}