"chiave di volta" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "key of vault"
      },
      "expansion": "“key of vault”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "key of vault"
      },
      "expansion": "Literally, “key of vault”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “key of vault”.",
  "forms": [
    {
      "form": "chiavi di volta",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "chiave di volta f (plural chiavi di volta)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Architecture",
          "orig": "it:Architecture",
          "parents": [
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "keystone"
      ],
      "id": "en-chiave_di_volta-it-noun-TMeks0HY",
      "links": [
        [
          "architecture",
          "architecture"
        ],
        [
          "keystone",
          "keystone"
        ]
      ],
      "raw_glosses": [
        "(architecture, also figurative) keystone"
      ],
      "tags": [
        "also",
        "feminine",
        "figuratively"
      ],
      "topics": [
        "architecture"
      ]
    }
  ],
  "word": "chiave di volta"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "key of vault"
      },
      "expansion": "“key of vault”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "key of vault"
      },
      "expansion": "Literally, “key of vault”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “key of vault”.",
  "forms": [
    {
      "form": "chiavi di volta",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "chiave di volta f (plural chiavi di volta)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian feminine nouns",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "it:Architecture"
      ],
      "glosses": [
        "keystone"
      ],
      "links": [
        [
          "architecture",
          "architecture"
        ],
        [
          "keystone",
          "keystone"
        ]
      ],
      "raw_glosses": [
        "(architecture, also figurative) keystone"
      ],
      "tags": [
        "also",
        "feminine",
        "figuratively"
      ],
      "topics": [
        "architecture"
      ]
    }
  ],
  "word": "chiave di volta"
}