"grey rocking" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Alternative form of gray rocking"
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      "id": "en-grey_rocking-en-noun-wtU0rg6F",
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  "word": "grey rocking"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "word": "gray rocking"
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      "glosses": [
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  "word": "grey rocking"
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