"moonrock" meaning in English

{
  "forms": [
    {
      "form": "moonrocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
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      "expansion": "moonrock (countable and uncountable, plural moonrocks)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "moon rock"
        }
      ],
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          "parents": [
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            "Compound terms",
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          "source": "w"
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      ],
      "glosses": [
        "Alternative form of moon rock"
      ],
      "id": "en-moonrock-en-noun-5lx6~Mox",
      "links": [
        [
          "moon rock",
          "moon rock#English"
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      "tags": [
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        "alternative",
        "countable",
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      ]
    }
  ],
  "word": "moonrock"
}

{
  "forms": [
    {
      "form": "moonrocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "moonrock (countable and uncountable, plural moonrocks)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "moon rock"
        }
      ],
      "categories": [
        "English 2-syllable words",
        "English countable nouns",
        "English endocentric compounds",
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        "English nouns",
        "English uncountable nouns"
      ],
      "glosses": [
        "Alternative form of moon rock"
      ],
      "links": [
        [
          "moon rock",
          "moon rock#English"
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  "word": "moonrock"
}