"Siwan" meaning in Français

{
  "anagrams": [
    {
      "word": "iwans"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sivan"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              136,
              141
            ]
          ],
          "ref": "Léon Berman, Histoire des Juifs de France des origines à nos jours, 1937",
          "text": "Quand Rabénou Tam fut informé du martyre des Juifs de Blois, il ordonna un jeûne, qui fut longtemps observé au jour anniversaire (le 20 Siwan)."
        }
      ],
      "glosses": [
        "Variante de sivan."
      ],
      "id": "fr-Siwan-fr-noun-sberWbcU",
      "tags": [
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\si.wan\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "Siwan"
}

{
  "anagrams": [
    {
      "word": "iwans"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sivan"
        }
      ],
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              136,
              141
            ]
          ],
          "ref": "Léon Berman, Histoire des Juifs de France des origines à nos jours, 1937",
          "text": "Quand Rabénou Tam fut informé du martyre des Juifs de Blois, il ordonna un jeûne, qui fut longtemps observé au jour anniversaire (le 20 Siwan)."
        }
      ],
      "glosses": [
        "Variante de sivan."
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\si.wan\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "Siwan"
}