"đại công quốc" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "大公國"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "大",
        "2": "great; grand",
        "3": "公國",
        "4": "duchy; principality"
      },
      "expansion": "Sino-Vietnamese word from 大公國, composed of 大 (“great; grand”) and 公國 (“duchy; principality”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 大公國, composed of 大 (“great; grand”) and 公國 (“duchy; principality”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "đại công quốc",
        "tr": ""
      },
      "expansion": "đại công quốc",
      "name": "head"
    },
    {
      "args": {
        "head": "đại công quốc"
      },
      "expansion": "đại công quốc",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Government",
          "orig": "vi:Government",
          "parents": [
            "Politics",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "grand duchy"
      ],
      "id": "en-đại_công_quốc-vi-noun-brYehtEo",
      "links": [
        [
          "grand duchy",
          "grand duchy"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔɗaːj˧˨ʔ kəwŋ͡m˧˧ kuək̚˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɗaːj˨˩ʔ kəwŋ͡m˧˧ kuək̚˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɗaːj˨˩˨ kəwŋ͡m˧˧ wək̚˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "đại công quốc"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "大公國"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "大",
        "2": "great; grand",
        "3": "公國",
        "4": "duchy; principality"
      },
      "expansion": "Sino-Vietnamese word from 大公國, composed of 大 (“great; grand”) and 公國 (“duchy; principality”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 大公國, composed of 大 (“great; grand”) and 公國 (“duchy; principality”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "đại công quốc",
        "tr": ""
      },
      "expansion": "đại công quốc",
      "name": "head"
    },
    {
      "args": {
        "head": "đại công quốc"
      },
      "expansion": "đại công quốc",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms with IPA pronunciation",
        "vi:Government"
      ],
      "glosses": [
        "grand duchy"
      ],
      "links": [
        [
          "grand duchy",
          "grand duchy"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔɗaːj˧˨ʔ kəwŋ͡m˧˧ kuək̚˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɗaːj˨˩ʔ kəwŋ͡m˧˧ kuək̚˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɗaːj˨˩˨ kəwŋ͡m˧˧ wək̚˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "đại công quốc"
}