"horse bus" meaning in English

{
  "forms": [
    {
      "form": "horse buses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "es"
      },
      "expansion": "horse bus (plural horse buses)",
      "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": "topical",
          "langcode": "en",
          "name": "Transport",
          "orig": "en:Transport",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1939 July, “The Why and the Wherefore: The Southwold Railway”, in Railway Magazine, page 56",
          "text": "Southwold was served by horse bus from Darsham until the well-known Ipswich firm of Ransomes & Rapier interested itself in the project for a railway.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A horse-drawn omnibus."
      ],
      "id": "en-horse_bus-en-noun-tJKWitIR",
      "links": [
        [
          "transport",
          "transport"
        ],
        [
          "horse-drawn",
          "horse-drawn"
        ],
        [
          "omnibus",
          "omnibus"
        ]
      ],
      "raw_glosses": [
        "(transport, historical) A horse-drawn omnibus."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "transport"
      ]
    }
  ],
  "word": "horse bus"
}

{
  "forms": [
    {
      "form": "horse buses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "es"
      },
      "expansion": "horse bus (plural horse buses)",
      "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 historical senses",
        "English terms with quotations",
        "en:Transport"
      ],
      "examples": [
        {
          "ref": "1939 July, “The Why and the Wherefore: The Southwold Railway”, in Railway Magazine, page 56",
          "text": "Southwold was served by horse bus from Darsham until the well-known Ipswich firm of Ransomes & Rapier interested itself in the project for a railway.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A horse-drawn omnibus."
      ],
      "links": [
        [
          "transport",
          "transport"
        ],
        [
          "horse-drawn",
          "horse-drawn"
        ],
        [
          "omnibus",
          "omnibus"
        ]
      ],
      "raw_glosses": [
        "(transport, historical) A horse-drawn omnibus."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "transport"
      ]
    }
  ],
  "word": "horse bus"
}