"sigretaber" meaning in Volapük

{
  "etymology_templates": [
    {
      "args": {
        "1": "vo",
        "2": "si",
        "3": "gretaber",
        "t1": "sky",
        "t2": "big / great bear"
      },
      "expansion": "si- (“sky”) + gretaber (“big / great bear”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "From si- (“sky”) + gretaber (“big / great bear”) (si- < sil \"sky\").",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "vo-decl-noun-np",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "sigretaber",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "sigretabera",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "sigretabere",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "sigretaberi",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "o sigretaber!",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    },
    {
      "form": "sigretaberu",
      "source": "declension",
      "tags": [
        "predicative",
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vo",
        "2": "proper noun"
      },
      "expansion": "sigretaber",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "vo-decl-noun-np"
    }
  ],
  "lang": "Volapük",
  "lang_code": "vo",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Volapük entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Volapük entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Volapük terms prefixed with si-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vo",
          "name": "Constellations",
          "orig": "vo:Constellations",
          "parents": [
            "Astronomy",
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Ursa Major (constellation)"
      ],
      "id": "en-sigretaber-vo-name-UwXu6YtL",
      "links": [
        [
          "Ursa Major",
          "Ursa Major"
        ],
        [
          "constellation",
          "constellation"
        ]
      ],
      "related": [
        {
          "word": "ber"
        },
        {
          "word": "gret"
        },
        {
          "word": "gretaber"
        },
        {
          "word": "sil"
        },
        {
          "word": "sül"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[si.ɡɾe.ta.ˈbeɾ]"
    }
  ],
  "word": "sigretaber"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vo",
        "2": "si",
        "3": "gretaber",
        "t1": "sky",
        "t2": "big / great bear"
      },
      "expansion": "si- (“sky”) + gretaber (“big / great bear”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "From si- (“sky”) + gretaber (“big / great bear”) (si- < sil \"sky\").",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "vo-decl-noun-np",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "sigretaber",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "sigretabera",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "sigretabere",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "sigretaberi",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "o sigretaber!",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    },
    {
      "form": "sigretaberu",
      "source": "declension",
      "tags": [
        "predicative",
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vo",
        "2": "proper noun"
      },
      "expansion": "sigretaber",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "vo-decl-noun-np"
    }
  ],
  "lang": "Volapük",
  "lang_code": "vo",
  "pos": "name",
  "related": [
    {
      "word": "ber"
    },
    {
      "word": "gret"
    },
    {
      "word": "gretaber"
    },
    {
      "word": "sil"
    },
    {
      "word": "sül"
    }
  ],
  "senses": [
    {
      "categories": [
        "Volapük entries with incorrect language header",
        "Volapük entries with topic categories using raw markup",
        "Volapük lemmas",
        "Volapük proper nouns",
        "Volapük terms prefixed with si-",
        "Volapük terms with IPA pronunciation",
        "vo:Constellations"
      ],
      "glosses": [
        "Ursa Major (constellation)"
      ],
      "links": [
        [
          "Ursa Major",
          "Ursa Major"
        ],
        [
          "constellation",
          "constellation"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[si.ɡɾe.ta.ˈbeɾ]"
    }
  ],
  "word": "sigretaber"
}