"trestle bridge" meaning in English

{
  "forms": [
    {
      "form": "trestle bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trestle bridge (plural trestle bridges)",
      "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": "topical",
          "langcode": "en",
          "name": "Bridges",
          "orig": "en:Bridges",
          "parents": [
            "Buildings and structures",
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1954 November, Robert F. Legget, “The Mount Washington Cog Railway”, in Railway Magazine, page 790:",
          "text": "Just beyond Base Station, the Ammonoosuc River is crossed on a simple trestle bridge.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A bridge supported on a system of trestles."
      ],
      "id": "en-trestle_bridge-en-noun-8tA0bVZ6",
      "links": [
        [
          "bridge",
          "bridge"
        ],
        [
          "trestle",
          "trestle"
        ]
      ]
    }
  ],
  "word": "trestle bridge"
}

{
  "forms": [
    {
      "form": "trestle bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trestle bridge (plural trestle bridges)",
      "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",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Bridges"
      ],
      "examples": [
        {
          "ref": "1954 November, Robert F. Legget, “The Mount Washington Cog Railway”, in Railway Magazine, page 790:",
          "text": "Just beyond Base Station, the Ammonoosuc River is crossed on a simple trestle bridge.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A bridge supported on a system of trestles."
      ],
      "links": [
        [
          "bridge",
          "bridge"
        ],
        [
          "trestle",
          "trestle"
        ]
      ]
    }
  ],
  "word": "trestle bridge"
}