"चव्वन" meaning in Hindi

{
  "forms": [
    {
      "form": "cavvan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "چون",
      "tags": [
        "Urdu"
      ]
    }
  ],
  "lang": "Hindi",
  "lang_code": "hi",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Hindi cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hindi entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "fifty-four"
      ],
      "id": "en-चव्वन-hi-num-faPENG4A",
      "links": [
        [
          "fifty-four",
          "fifty-four"
        ]
      ],
      "synonyms": [
        {
          "roman": "cauvan",
          "word": "चौवन"
        }
      ],
      "tags": [
        "cardinal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡ʃəʋ.ʋən/",
      "tags": [
        "Delhi-Hindi"
      ]
    },
    {
      "ipa": "[t͡ʃɐʋ.ʋɐ̃n]",
      "tags": [
        "Delhi-Hindi"
      ]
    }
  ],
  "word": "चव्वन"
}

{
  "forms": [
    {
      "form": "cavvan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "چون",
      "tags": [
        "Urdu"
      ]
    }
  ],
  "lang": "Hindi",
  "lang_code": "hi",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Hindi cardinal numbers",
        "Hindi entries with incorrect language header",
        "Hindi lemmas",
        "Hindi numerals",
        "Hindi terms with IPA pronunciation"
      ],
      "glosses": [
        "fifty-four"
      ],
      "links": [
        [
          "fifty-four",
          "fifty-four"
        ]
      ],
      "tags": [
        "cardinal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡ʃəʋ.ʋən/",
      "tags": [
        "Delhi-Hindi"
      ]
    },
    {
      "ipa": "[t͡ʃɐʋ.ʋɐ̃n]",
      "tags": [
        "Delhi-Hindi"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "cauvan",
      "word": "चौवन"
    }
  ],
  "word": "चव्वन"
}