"clapper bridges" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de locutions nominales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Wiktionnaire:Sections de type avec locution forcée",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "clapper bridge",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Mary-Ann Ochota, Hidden Histories : A Spotter’s Guide to the British Landscape, Frances Lincoln, 2018, page 155",
          "text": "Although there’s no evidence for clapper bridges before medieval times, given their simplicity, they’re likely to have existed since prehistoric times."
        }
      ],
      "form_of": [
        {
          "word": "clapper bridge"
        }
      ],
      "glosses": [
        "Pluriel de clapper bridge."
      ],
      "id": "fr-clapper_bridges-en-noun-ckofBCU3"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "clapper bridges"
}

{
  "categories": [
    "Formes de locutions nominales en anglais",
    "Wiktionnaire:Sections de type avec locution forcée",
    "anglais"
  ],
  "forms": [
    {
      "form": "clapper bridge",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de locution nominale",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire"
      ],
      "examples": [
        {
          "ref": "Mary-Ann Ochota, Hidden Histories : A Spotter’s Guide to the British Landscape, Frances Lincoln, 2018, page 155",
          "text": "Although there’s no evidence for clapper bridges before medieval times, given their simplicity, they’re likely to have existed since prehistoric times."
        }
      ],
      "form_of": [
        {
          "word": "clapper bridge"
        }
      ],
      "glosses": [
        "Pluriel de clapper bridge."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "clapper bridges"
}