"رباعيات" meaning in Arabic

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "rubaiyat"
          },
          "expansion": "English: rubaiyat",
          "name": "desc"
        }
      ],
      "text": "English: rubaiyat"
    }
  ],
  "forms": [
    {
      "form": "رُبَاعِيَّات",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rubāʕiyyāt",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "(rubāʕiyy): quatrains",
          "word": "رُبَاعِيّ"
        }
      ],
      "glosses": [
        "feminine plural of رُبَاعِيّ (rubāʕiyy): quatrains"
      ],
      "id": "en-رباعيات-ar-noun--JNJ3XOi",
      "links": [
        [
          "رُبَاعِيّ",
          "رباعي#Arabic"
        ],
        [
          "quatrain",
          "quatrain"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ru.baː.ʕij.jaːt/"
    }
  ],
  "word": "رباعيات"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "rubaiyat"
          },
          "expansion": "English: rubaiyat",
          "name": "desc"
        }
      ],
      "text": "English: rubaiyat"
    }
  ],
  "forms": [
    {
      "form": "رُبَاعِيَّات",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rubāʕiyyāt",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Arabic 4-syllable words",
        "Arabic entries with incorrect language header",
        "Arabic non-lemma forms",
        "Arabic noun forms",
        "Arabic terms with IPA pronunciation",
        "Pages with 1 entry"
      ],
      "form_of": [
        {
          "extra": "(rubāʕiyy): quatrains",
          "word": "رُبَاعِيّ"
        }
      ],
      "glosses": [
        "feminine plural of رُبَاعِيّ (rubāʕiyy): quatrains"
      ],
      "links": [
        [
          "رُبَاعِيّ",
          "رباعي#Arabic"
        ],
        [
          "quatrain",
          "quatrain"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ru.baː.ʕij.jaːt/"
    }
  ],
  "word": "رباعيات"
}