"ground roller" meaning in English

{
  "forms": [
    {
      "form": "ground rollers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ground roller (plural ground rollers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Coraciiforms",
          "orig": "en:Coraciiforms",
          "parents": [
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of the Brachypteraciidae, a small family of non-migratory near-passerine birds restricted to Madagascar, and related to the kingfishers, bee-eaters and rollers."
      ],
      "id": "en-ground_roller-en-noun-AhVS3oXz",
      "links": [
        [
          "Brachypteraciidae",
          "Brachypteraciidae#Translingual"
        ],
        [
          "passerine",
          "passerine"
        ],
        [
          "bird",
          "bird"
        ],
        [
          "Madagascar",
          "Madagascar"
        ],
        [
          "kingfisher",
          "kingfisher"
        ],
        [
          "bee-eater",
          "bee-eater"
        ],
        [
          "roller",
          "roller"
        ]
      ],
      "wikipedia": [
        "ground roller"
      ]
    }
  ],
  "word": "ground roller"
}

{
  "forms": [
    {
      "form": "ground rollers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ground roller (plural ground rollers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "Pages with entries",
        "en:Coraciiforms"
      ],
      "glosses": [
        "Any of the Brachypteraciidae, a small family of non-migratory near-passerine birds restricted to Madagascar, and related to the kingfishers, bee-eaters and rollers."
      ],
      "links": [
        [
          "Brachypteraciidae",
          "Brachypteraciidae#Translingual"
        ],
        [
          "passerine",
          "passerine"
        ],
        [
          "bird",
          "bird"
        ],
        [
          "Madagascar",
          "Madagascar"
        ],
        [
          "kingfisher",
          "kingfisher"
        ],
        [
          "bee-eater",
          "bee-eater"
        ],
        [
          "roller",
          "roller"
        ]
      ],
      "wikipedia": [
        "ground roller"
      ]
    }
  ],
  "word": "ground roller"
}