"captain regent" meaning in English

{
  "forms": [
    {
      "form": "captains regent",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "captains regent"
      },
      "expansion": "captain regent (plural captains regent)",
      "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": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms where the adjective follows the noun",
          "parents": [
            "Terms where the adjective follows the noun",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "San Marino",
          "orig": "en:San Marino",
          "parents": [
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Either of the two heads of state of San Marino, elected every six months."
      ],
      "id": "en-captain_regent-en-noun-hARC-uvY",
      "links": [
        [
          "heads of state",
          "head of state"
        ],
        [
          "San Marino",
          "San Marino"
        ]
      ]
    }
  ],
  "word": "captain regent"
}

{
  "forms": [
    {
      "form": "captains regent",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "captains regent"
      },
      "expansion": "captain regent (plural captains regent)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms where the adjective follows the noun",
        "English terms with non-redundant non-automated sortkeys",
        "en:San Marino"
      ],
      "glosses": [
        "Either of the two heads of state of San Marino, elected every six months."
      ],
      "links": [
        [
          "heads of state",
          "head of state"
        ],
        [
          "San Marino",
          "San Marino"
        ]
      ]
    }
  ],
  "word": "captain regent"
}