"mayor of the palace" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ML.",
        "3": "maior palātiī"
      },
      "expansion": "Calque of Medieval Latin maior palātiī",
      "name": "calque"
    }
  ],
  "etymology_text": "Calque of Medieval Latin maior palātiī.",
  "forms": [
    {
      "form": "mayors of the palace",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mayors of the palace"
      },
      "expansion": "mayor of the palace (plural mayors of the palace)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Heads of state",
          "orig": "en:Heads of state",
          "parents": [
            "Government",
            "Positions of authority",
            "Politics",
            "Society",
            "Leaders",
            "Occupations",
            "All topics",
            "People",
            "Work",
            "Fundamental",
            "Human",
            "Human activity",
            "Human behaviour"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "In the Merovingian kingdoms, the king’s steward and, by the 7th century, de facto regent."
      ],
      "id": "en-mayor_of_the_palace-en-noun-sq1dHN7b",
      "links": [
        [
          "Merovingian",
          "Merovingian"
        ],
        [
          "kingdom",
          "kingdom"
        ],
        [
          "steward",
          "steward"
        ],
        [
          "de facto",
          "de facto"
        ],
        [
          "regent",
          "regent"
        ]
      ],
      "raw_glosses": [
        "(historical) In the Merovingian kingdoms, the king’s steward and, by the 7th century, de facto regent."
      ],
      "synonyms": [
        {
          "word": "mayor"
        },
        {
          "word": "steward"
        },
        {
          "word": "seneschal"
        }
      ],
      "tags": [
        "historical"
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "Frankish regent",
          "tags": [
            "masculine"
          ],
          "word": "hofmeier"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Frankish regent",
          "word": "maire"
        },
        {
          "code": "la",
          "lang": "Latin",
          "sense": "Frankish regent",
          "word": "maior palatii"
        },
        {
          "code": "cy",
          "lang": "Welsh",
          "sense": "Frankish regent",
          "word": "maer"
        }
      ]
    }
  ],
  "word": "mayor of the palace"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ML.",
        "3": "maior palātiī"
      },
      "expansion": "Calque of Medieval Latin maior palātiī",
      "name": "calque"
    }
  ],
  "etymology_text": "Calque of Medieval Latin maior palātiī.",
  "forms": [
    {
      "form": "mayors of the palace",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mayors of the palace"
      },
      "expansion": "mayor of the palace (plural mayors of the palace)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms calqued from Medieval Latin",
        "English terms derived from Medieval Latin",
        "English terms with historical senses",
        "en:Heads of state"
      ],
      "glosses": [
        "In the Merovingian kingdoms, the king’s steward and, by the 7th century, de facto regent."
      ],
      "links": [
        [
          "Merovingian",
          "Merovingian"
        ],
        [
          "kingdom",
          "kingdom"
        ],
        [
          "steward",
          "steward"
        ],
        [
          "de facto",
          "de facto"
        ],
        [
          "regent",
          "regent"
        ]
      ],
      "raw_glosses": [
        "(historical) In the Merovingian kingdoms, the king’s steward and, by the 7th century, de facto regent."
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "mayor"
    },
    {
      "word": "steward"
    },
    {
      "word": "seneschal"
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "Frankish regent",
      "tags": [
        "masculine"
      ],
      "word": "hofmeier"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Frankish regent",
      "word": "maire"
    },
    {
      "code": "la",
      "lang": "Latin",
      "sense": "Frankish regent",
      "word": "maior palatii"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "Frankish regent",
      "word": "maer"
    }
  ],
  "word": "mayor of the palace"
}