"boathorses" 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": "boathorse",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "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 170",
          "text": "Bridges used by the boathorses were cobbled or laid with flagstones, and the ramps were often laid with protruding rows of bricks to prevent the horse slipping."
        }
      ],
      "form_of": [
        {
          "word": "boathorse"
        }
      ],
      "glosses": [
        "Pluriel de boathorse"
      ],
      "id": "fr-boathorses-en-noun-8Z5r2pUM"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "boathorses"
}

{
  "categories": [
    "Formes de noms communs en anglais",
    "anglais"
  ],
  "forms": [
    {
      "form": "boathorse",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "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 170",
          "text": "Bridges used by the boathorses were cobbled or laid with flagstones, and the ramps were often laid with protruding rows of bricks to prevent the horse slipping."
        }
      ],
      "form_of": [
        {
          "word": "boathorse"
        }
      ],
      "glosses": [
        "Pluriel de boathorse"
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "boathorses"
}