"open-top bus" meaning in English

{
  "forms": [
    {
      "form": "open-top buses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "open-top bus (plural open-top buses)",
      "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": "Vehicles",
          "orig": "en:Vehicles",
          "parents": [
            "Machines",
            "Transport",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1951 October, R. S. McNaught, “Lines of Approach”, in Railway Magazine, page 704",
          "text": "At last the first glimpse from a bridge of an open-top red bus, and a noticeable darkening of the atmosphere from the smoke of London: then the increasingly dingy stations with double-barrel names, set amid what has always been to me the outstanding feature of the \"Premier Line\" approach to London—the positively marvellous display of crazy chimney-pots on the grey inner suburban houses. As many as twenty, all of varying style, standing together like ranks of jagged teeth, and providing a Dickensian back-cloth which no other route can boast.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A double-deck bus with an open, or partially open, top deck."
      ],
      "id": "en-open-top_bus-en-noun-BRii~HfV",
      "links": [
        [
          "vehicle",
          "vehicle"
        ],
        [
          "double-deck",
          "double-decker"
        ],
        [
          "bus",
          "bus"
        ]
      ],
      "raw_glosses": [
        "(vehicles, UK) A double-deck bus with an open, or partially open, top deck."
      ],
      "synonyms": [
        {
          "word": "open-topper"
        }
      ],
      "tags": [
        "UK"
      ],
      "topics": [
        "transport",
        "vehicles"
      ]
    }
  ],
  "word": "open-top bus"
}

{
  "forms": [
    {
      "form": "open-top buses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "open-top bus (plural open-top buses)",
      "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",
        "English terms with quotations",
        "en:Vehicles"
      ],
      "examples": [
        {
          "ref": "1951 October, R. S. McNaught, “Lines of Approach”, in Railway Magazine, page 704",
          "text": "At last the first glimpse from a bridge of an open-top red bus, and a noticeable darkening of the atmosphere from the smoke of London: then the increasingly dingy stations with double-barrel names, set amid what has always been to me the outstanding feature of the \"Premier Line\" approach to London—the positively marvellous display of crazy chimney-pots on the grey inner suburban houses. As many as twenty, all of varying style, standing together like ranks of jagged teeth, and providing a Dickensian back-cloth which no other route can boast.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A double-deck bus with an open, or partially open, top deck."
      ],
      "links": [
        [
          "vehicle",
          "vehicle"
        ],
        [
          "double-deck",
          "double-decker"
        ],
        [
          "bus",
          "bus"
        ]
      ],
      "raw_glosses": [
        "(vehicles, UK) A double-deck bus with an open, or partially open, top deck."
      ],
      "tags": [
        "UK"
      ],
      "topics": [
        "transport",
        "vehicles"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "open-topper"
    }
  ],
  "word": "open-top bus"
}