"rei" meaning in Latein

{
  "categories": [
    {
      "kind": "other",
      "name": "Anagramm sortiert (Latein)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Deklinierte Form (Latein)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Latein",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Rückläufige Wörterliste (Latein)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Siehe auch",
      "orig": "siehe auch",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Latein",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "word": "rēs"
        }
      ],
      "glosses": [
        "Genitiv Sinuglar des Substantivs rēs"
      ],
      "id": "de-rei-la-noun-vtCLSKH-",
      "tags": [
        "genitive"
      ]
    },
    {
      "form_of": [
        {
          "word": "rēs"
        }
      ],
      "glosses": [
        "Dativ Sinuglar des Substantivs rēs"
      ],
      "id": "de-rei-la-noun-Y0Tj90jq",
      "tags": [
        "dative"
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "rei"
}

{
  "categories": [
    "Anagramm sortiert (Latein)",
    "Deklinierte Form (Latein)",
    "Latein",
    "Rückläufige Wörterliste (Latein)",
    "siehe auch"
  ],
  "lang": "Latein",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "word": "rēs"
        }
      ],
      "glosses": [
        "Genitiv Sinuglar des Substantivs rēs"
      ],
      "tags": [
        "genitive"
      ]
    },
    {
      "form_of": [
        {
          "word": "rēs"
        }
      ],
      "glosses": [
        "Dativ Sinuglar des Substantivs rēs"
      ],
      "tags": [
        "dative"
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "rei"
}