"shell star" meaning in English

{
  "forms": [
    {
      "form": "shell stars",
      "tags": [
        "plural"
      ]
    }
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      "expansion": "shell star (plural shell stars)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "name": "Astronomy",
          "orig": "en:Astronomy",
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      ],
      "glosses": [
        "A rapidly-rotating star that has an equatorial circumstellar disc of gas"
      ],
      "id": "en-shell_star-en-noun-QKNQ~feU",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "star",
          "star"
        ],
        [
          "equatorial",
          "equatorial"
        ],
        [
          "circumstellar",
          "circumstellar"
        ],
        [
          "disc",
          "disc"
        ],
        [
          "gas",
          "gas"
        ]
      ],
      "raw_glosses": [
        "(astronomy) A rapidly-rotating star that has an equatorial circumstellar disc of gas"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "shell star"
      ]
    }
  ],
  "word": "shell star"
}

{
  "forms": [
    {
      "form": "shell stars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "shell star (plural shell stars)",
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  "lang_code": "en",
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      "glosses": [
        "A rapidly-rotating star that has an equatorial circumstellar disc of gas"
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "star",
          "star"
        ],
        [
          "equatorial",
          "equatorial"
        ],
        [
          "circumstellar",
          "circumstellar"
        ],
        [
          "disc",
          "disc"
        ],
        [
          "gas",
          "gas"
        ]
      ],
      "raw_glosses": [
        "(astronomy) A rapidly-rotating star that has an equatorial circumstellar disc of gas"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "shell star"
      ]
    }
  ],
  "word": "shell star"
}