"star cloud" meaning in English

{
  "forms": [
    {
      "form": "star clouds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "star cloud (plural star clouds)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "A large group of many stars spread over very many light-years of space; the stars are not part of any structure but are in an area of greater than average stellar density."
      ],
      "id": "en-star_cloud-en-noun-stTzarsM",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "light-year",
          "light-year"
        ],
        [
          "structure",
          "structure"
        ]
      ],
      "raw_glosses": [
        "(astronomy) A large group of many stars spread over very many light-years of space; the stars are not part of any structure but are in an area of greater than average stellar density."
      ],
      "related": [
        {
          "word": "star cluster"
        }
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "cluster of stars",
          "word": "tähtipilvi"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "cluster of stars",
          "tags": [
            "masculine"
          ],
          "word": "nor de stele"
        }
      ],
      "wikipedia": [
        "star cloud"
      ]
    }
  ],
  "word": "star cloud"
}

{
  "forms": [
    {
      "form": "star clouds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "star cloud (plural star clouds)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "star cluster"
    }
  ],
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Romanian translations",
        "en:Astronomy"
      ],
      "glosses": [
        "A large group of many stars spread over very many light-years of space; the stars are not part of any structure but are in an area of greater than average stellar density."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "light-year",
          "light-year"
        ],
        [
          "structure",
          "structure"
        ]
      ],
      "raw_glosses": [
        "(astronomy) A large group of many stars spread over very many light-years of space; the stars are not part of any structure but are in an area of greater than average stellar density."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "star cloud"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "cluster of stars",
      "word": "tähtipilvi"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "cluster of stars",
      "tags": [
        "masculine"
      ],
      "word": "nor de stele"
    }
  ],
  "word": "star cloud"
}