"ثلثمائة" meaning in Arabic

{
  "forms": [
    {
      "form": "ثَلَثُمِائَة",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ṯalāṯumiʾah",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ثَلَثُمِائَة",
        "tr": "ṯalāṯumiʾah"
      },
      "expansion": "ثَلَثُمِائَة • (ṯalāṯumiʾah) ?",
      "name": "ar-numeral"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "num",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "ṯalāṯumiʔa",
          "word": "ثَلَاثُمِئَة"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "name": "Arabic cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of ثَلَاثُمِئَة (ṯalāṯumiʔa)"
      ],
      "id": "en-ثلثمائة-ar-num-kyCc2xhI",
      "links": [
        [
          "ثَلَاثُمِئَة",
          "ثلاثمئة#Arabic"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "ثلثمائة"
}

{
  "forms": [
    {
      "form": "ثَلَثُمِائَة",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ṯalāṯumiʾah",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ثَلَثُمِائَة",
        "tr": "ṯalāṯumiʾah"
      },
      "expansion": "ثَلَثُمِائَة • (ṯalāṯumiʾah) ?",
      "name": "ar-numeral"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "num",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "ṯalāṯumiʔa",
          "word": "ثَلَاثُمِئَة"
        }
      ],
      "categories": [
        "Arabic cardinal numbers",
        "Arabic entries with incorrect language header",
        "Arabic lemmas",
        "Arabic numerals",
        "Requests for gender in Arabic entries"
      ],
      "glosses": [
        "Alternative spelling of ثَلَاثُمِئَة (ṯalāṯumiʔa)"
      ],
      "links": [
        [
          "ثَلَاثُمِئَة",
          "ثلاثمئة#Arabic"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "ثلثمائة"
}