"humpback bridge" meaning in English

{
  "forms": [
    {
      "form": "humpback bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "humpback bridge (plural humpback bridges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Bridges",
          "orig": "en:Bridges",
          "parents": [
            "Buildings and structures",
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "(usually) a single-arch bridge with steep approaches on either side"
      ],
      "id": "en-humpback_bridge-en-noun-hVqeZBQf",
      "raw_glosses": [
        "(British) (usually) a single-arch bridge with steep approaches on either side"
      ],
      "tags": [
        "British"
      ]
    }
  ],
  "word": "humpback bridge"
}

{
  "forms": [
    {
      "form": "humpback bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "humpback bridge (plural humpback bridges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Bridges"
      ],
      "glosses": [
        "(usually) a single-arch bridge with steep approaches on either side"
      ],
      "raw_glosses": [
        "(British) (usually) a single-arch bridge with steep approaches on either side"
      ],
      "tags": [
        "British"
      ]
    }
  ],
  "word": "humpback bridge"
}