"Prester John" meaning in English

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  "lang_code": "en",
  "pos": "name",
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          "langcode": "en",
          "name": "Characters from folklore",
          "orig": "en:Characters from folklore",
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            "Fictional characters",
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          "name": "Christianity",
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          "name": "European folklore",
          "orig": "en:European folklore",
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            "Europe",
            "Folklore",
            "Earth",
            "Eurasia",
            "Culture",
            "Nature",
            "Society",
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            "Fundamental"
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        },
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          "name": "Mythological figures",
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      "glosses": [
        "A legendary Christian king of a distant Eastern or African kingdom."
      ],
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      "qualifier": "mediaeval folklore",
      "raw_glosses": [
        "(mediaeval folklore) A legendary Christian king of a distant Eastern or African kingdom."
      ],
      "translations": [
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "legendary Christian king of a distant Eastern or African kingdom",
          "tags": [
            "masculine"
          ],
          "word": "Preste João"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "legendary Christian king of a distant Eastern or African kingdom",
          "tags": [
            "masculine"
          ],
          "word": "Preste Juan"
        }
      ]
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  "word": "Prester John"
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  "lang_code": "en",
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        "A legendary Christian king of a distant Eastern or African kingdom."
      ],
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        "(mediaeval folklore) A legendary Christian king of a distant Eastern or African kingdom."
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  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "legendary Christian king of a distant Eastern or African kingdom",
      "tags": [
        "masculine"
      ],
      "word": "Preste João"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "legendary Christian king of a distant Eastern or African kingdom",
      "tags": [
        "masculine"
      ],
      "word": "Preste Juan"
    }
  ],
  "word": "Prester John"
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