"groundfloors" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "groundfloor",
      "ipas": [
        "\\ˈɡɹaʊnd ˌflɔɹ\\",
        "\\ˈɡɹaʊnd flɔː\\"
      ],
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "related": [
    {
      "word": "ground floors"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Anglais du Royaume-Uni",
          "orig": "anglais du Royaume-Uni",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "groundfloor"
        }
      ],
      "glosses": [
        "Pluriel de groundfloor."
      ],
      "id": "fr-groundfloors-en-noun-dbIotWgE",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɡɹaʊnd ˌflɔɹz\\"
    },
    {
      "ipa": "\\ˈɡɹaʊnd ˌflɔːz\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "groundfloors"
}

{
  "categories": [
    "Formes de noms communs en anglais",
    "anglais"
  ],
  "forms": [
    {
      "form": "groundfloor",
      "ipas": [
        "\\ˈɡɹaʊnd ˌflɔɹ\\",
        "\\ˈɡɹaʊnd flɔː\\"
      ],
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "related": [
    {
      "word": "ground floors"
    }
  ],
  "senses": [
    {
      "categories": [
        "anglais du Royaume-Uni"
      ],
      "form_of": [
        {
          "word": "groundfloor"
        }
      ],
      "glosses": [
        "Pluriel de groundfloor."
      ],
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɡɹaʊnd ˌflɔɹz\\"
    },
    {
      "ipa": "\\ˈɡɹaʊnd ˌflɔːz\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "groundfloors"
}