"préfet du prétoire" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "praefectus praetōriō",
        "nocap": "1"
      },
      "expansion": "calque of Latin praefectus praetōriō",
      "name": "clq"
    }
  ],
  "etymology_text": "Alternative form of préfet au prétoire, a calque of Latin praefectus praetōriō.",
  "forms": [
    {
      "form": "préfets du prétoire",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "préfet du prétoire m (plural préfets du prétoire)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Ancient Rome",
          "orig": "fr:Ancient Rome",
          "parents": [
            "Ancient Africa",
            "Ancient Europe",
            "Ancient history",
            "Ancient Near East",
            "History of Italy",
            "History of Africa",
            "History of Europe",
            "History",
            "Ancient Asia",
            "Italy",
            "Africa",
            "Europe",
            "All topics",
            "History of Asia",
            "Earth",
            "Eurasia",
            "Fundamental",
            "Asia",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "praetorian prefect"
      ],
      "id": "en-préfet_du_prétoire-fr-noun-ZlSBZdix",
      "links": [
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "praetorian prefect",
          "praetorian prefect"
        ]
      ],
      "raw_glosses": [
        "(Ancient Rome) praetorian prefect"
      ],
      "tags": [
        "Ancient-Rome",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pʁe.fɛ dy pʁe.twaʁ/"
    }
  ],
  "word": "préfet du prétoire"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "praefectus praetōriō",
        "nocap": "1"
      },
      "expansion": "calque of Latin praefectus praetōriō",
      "name": "clq"
    }
  ],
  "etymology_text": "Alternative form of préfet au prétoire, a calque of Latin praefectus praetōriō.",
  "forms": [
    {
      "form": "préfets du prétoire",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "préfet du prétoire m (plural préfets du prétoire)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms calqued from Latin",
        "French terms derived from Latin",
        "French terms with IPA pronunciation",
        "fr:Ancient Rome"
      ],
      "glosses": [
        "praetorian prefect"
      ],
      "links": [
        [
          "Ancient Rome",
          "Ancient Rome"
        ],
        [
          "praetorian prefect",
          "praetorian prefect"
        ]
      ],
      "raw_glosses": [
        "(Ancient Rome) praetorian prefect"
      ],
      "tags": [
        "Ancient-Rome",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pʁe.fɛ dy pʁe.twaʁ/"
    }
  ],
  "word": "préfet du prétoire"
}