"grand ducal" meaning in English

{
  "head_templates": [
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      "args": {
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      "expansion": "grand ducal (not comparable)",
      "name": "en-adj"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      ],
      "glosses": [
        "Of, pertaining to, or characteristic of a grand duke or duchess, his or her family, a grand dukedom, or grand duchy."
      ],
      "id": "en-grand_ducal-en-adj-xD~Ooaqi",
      "links": [
        [
          "grand duke",
          "grand duke"
        ],
        [
          "duchess",
          "grand duchess"
        ],
        [
          "family",
          "family"
        ],
        [
          "grand dukedom",
          "grand dukedom"
        ],
        [
          "grand duchy",
          "grand duchy"
        ]
      ],
      "synonyms": [
        {
          "word": "grand-ducal"
        },
        {
          "word": "grandducal"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "ar",
          "lang": "Arabic",
          "roman": "ḡrāndūqiyy",
          "sense": "Translations",
          "word": "غْرَانْدُوقِيّ"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "grand-ducal"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɡɹænd ˈdjukəl/",
      "tags": [
        "Received-Pronunciation"
      ]
    }
  ],
  "word": "grand ducal"
}

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      "expansion": "grand ducal (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Of, pertaining to, or characteristic of a grand duke or duchess, his or her family, a grand dukedom, or grand duchy."
      ],
      "links": [
        [
          "grand duke",
          "grand duke"
        ],
        [
          "duchess",
          "grand duchess"
        ],
        [
          "family",
          "family"
        ],
        [
          "grand dukedom",
          "grand dukedom"
        ],
        [
          "grand duchy",
          "grand duchy"
        ]
      ],
      "tags": [
        "not-comparable"
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    {
      "ipa": "/ˌɡɹænd ˈdjukəl/",
      "tags": [
        "Received-Pronunciation"
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  ],
  "synonyms": [
    {
      "word": "grand-ducal"
    },
    {
      "word": "grandducal"
    }
  ],
  "translations": [
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "ḡrāndūqiyy",
      "sense": "Translations",
      "word": "غْرَانْدُوقِيّ"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "grand-ducal"
    }
  ],
  "word": "grand ducal"
}