"city bus" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "city",
        "3": "bus"
      },
      "expansion": "city + bus",
      "name": "compound"
    }
  ],
  "etymology_text": "city + bus",
  "forms": [
    {
      "form": "city buses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "city busses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "+",
        "2": "city busses"
      },
      "expansion": "city bus (plural city buses or city busses)",
      "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": "Automobiles",
          "orig": "en:Automobiles",
          "parents": [
            "Automotive",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A bus that carries people across a city."
      ],
      "id": "en-city_bus-en-noun-fzumQwn5",
      "links": [
        [
          "bus",
          "bus"
        ],
        [
          "city",
          "city"
        ]
      ],
      "related": [
        {
          "word": "coach"
        },
        {
          "word": "motorcoach"
        }
      ],
      "synonyms": [
        {
          "word": "transit bus"
        }
      ],
      "wikipedia": [
        "city bus"
      ]
    }
  ],
  "word": "city bus"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "city",
        "3": "bus"
      },
      "expansion": "city + bus",
      "name": "compound"
    }
  ],
  "etymology_text": "city + bus",
  "forms": [
    {
      "form": "city buses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "city busses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "+",
        "2": "city busses"
      },
      "expansion": "city bus (plural city buses or city busses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "coach"
    },
    {
      "word": "motorcoach"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Automobiles"
      ],
      "glosses": [
        "A bus that carries people across a city."
      ],
      "links": [
        [
          "bus",
          "bus"
        ],
        [
          "city",
          "city"
        ]
      ],
      "synonyms": [
        {
          "word": "transit bus"
        }
      ],
      "wikipedia": [
        "city bus"
      ]
    }
  ],
  "word": "city bus"
}