"rock formation" meaning in English

{
  "forms": [
    {
      "form": "rock formations",
      "tags": [
        "plural"
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    }
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      "expansion": "rock formation (plural rock formations)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "An outcrop of rock that forms a distinctive shape."
      ],
      "id": "en-rock_formation-en-noun-8-vz-Hha",
      "links": [
        [
          "outcrop",
          "outcrop"
        ]
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "outcrop of rock",
          "tags": [
            "feminine"
          ],
          "word": "formación rocosa"
        }
      ],
      "wikipedia": [
        "Canyonlands",
        "List of rock formations"
      ]
    }
  ],
  "word": "rock formation"
}

{
  "forms": [
    {
      "form": "rock formations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rock formation (plural rock formations)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "An outcrop of rock that forms a distinctive shape."
      ],
      "links": [
        [
          "outcrop",
          "outcrop"
        ]
      ],
      "wikipedia": [
        "Canyonlands",
        "List of rock formations"
      ]
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "outcrop of rock",
      "tags": [
        "feminine"
      ],
      "word": "formación rocosa"
    }
  ],
  "word": "rock formation"
}