"сестра" meaning in Serbe

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en serbe issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en serbe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Serbe",
      "orig": "serbe",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du vieux slave сєстра, sestra"
  ],
  "lang": "Serbe",
  "lang_code": "sr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "sestra"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en serbe de la famille",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Моја сестра сатима се задржава у купатилу… — Ma sœur reste des heures dans son bain…"
        }
      ],
      "glosses": [
        "Sœur."
      ],
      "id": "fr-сестра-sr-noun--Ng-9Vxi",
      "raw_tags": [
        "Famille"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en serbe",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Сестра, помозите ми!",
          "translation": "Ma sœur, aidez-moi !"
        }
      ],
      "glosses": [
        "Infirmière"
      ],
      "id": "fr-сестра-sr-noun-iptuAP6P"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ses.tra\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "сестра"
}

{
  "categories": [
    "Mots en serbe issus d’un mot en vieux slave",
    "Noms communs en serbe",
    "serbe"
  ],
  "etymology_texts": [
    "Du vieux slave сєстра, sestra"
  ],
  "lang": "Serbe",
  "lang_code": "sr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "sestra"
  ],
  "senses": [
    {
      "categories": [
        "Lexique en serbe de la famille"
      ],
      "examples": [
        {
          "text": "Моја сестра сатима се задржава у купатилу… — Ma sœur reste des heures dans son bain…"
        }
      ],
      "glosses": [
        "Sœur."
      ],
      "raw_tags": [
        "Famille"
      ]
    },
    {
      "categories": [
        "Exemples en serbe"
      ],
      "examples": [
        {
          "text": "Сестра, помозите ми!",
          "translation": "Ma sœur, aidez-moi !"
        }
      ],
      "glosses": [
        "Infirmière"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ses.tra\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "сестра"
}