"royal stars" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "1920, Edward Carpenter, Pagan and Christian Creeds, New York: Harcourt, Brace and Co., published 1921, page 41",
          "text": "At the earlier period the Summer solstice was in the centre of Leo, the Autumnal equinox in the centre of Scorpio, and the Winter solstice in the centre of Aquarius - corresponding roughly, Mr. Maunder points out, to the positions of the four \"Royal Stars,\" Aldebaran, Regulus, Antares and Fomalhaut.",
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      "glosses": [
        "A set of four first magnitude stars, Aldebaran, Regulus, Antares and Fomalhaut, regarded by ancient Persians as the guardians of the sky."
      ],
      "id": "en-royal_stars-en-noun-jceWTd-W",
      "links": [
        [
          "astrology",
          "astrology"
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        [
          "magnitude",
          "magnitude"
        ],
        [
          "Aldebaran",
          "Aldebaran"
        ],
        [
          "Regulus",
          "Regulus"
        ],
        [
          "Antares",
          "Antares"
        ],
        [
          "Fomalhaut",
          "Fomalhaut"
        ],
        [
          "ancient",
          "ancient"
        ],
        [
          "Persian",
          "Persian"
        ]
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        "(astrology) A set of four first magnitude stars, Aldebaran, Regulus, Antares and Fomalhaut, regarded by ancient Persians as the guardians of the sky."
      ],
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        "plural",
        "plural-only"
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        "astrology",
        "human-sciences",
        "mysticism",
        "philosophy",
        "sciences"
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  "word": "royal stars"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "1920, Edward Carpenter, Pagan and Christian Creeds, New York: Harcourt, Brace and Co., published 1921, page 41",
          "text": "At the earlier period the Summer solstice was in the centre of Leo, the Autumnal equinox in the centre of Scorpio, and the Winter solstice in the centre of Aquarius - corresponding roughly, Mr. Maunder points out, to the positions of the four \"Royal Stars,\" Aldebaran, Regulus, Antares and Fomalhaut.",
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        }
      ],
      "glosses": [
        "A set of four first magnitude stars, Aldebaran, Regulus, Antares and Fomalhaut, regarded by ancient Persians as the guardians of the sky."
      ],
      "links": [
        [
          "astrology",
          "astrology"
        ],
        [
          "magnitude",
          "magnitude"
        ],
        [
          "Aldebaran",
          "Aldebaran"
        ],
        [
          "Regulus",
          "Regulus"
        ],
        [
          "Antares",
          "Antares"
        ],
        [
          "Fomalhaut",
          "Fomalhaut"
        ],
        [
          "ancient",
          "ancient"
        ],
        [
          "Persian",
          "Persian"
        ]
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      "raw_glosses": [
        "(astrology) A set of four first magnitude stars, Aldebaran, Regulus, Antares and Fomalhaut, regarded by ancient Persians as the guardians of the sky."
      ],
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        "plural",
        "plural-only"
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  "word": "royal stars"
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