"stop bar" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "stop",
        "3": "bar"
      },
      "expansion": "stop + bar",
      "name": "compound"
    }
  ],
  "etymology_text": "From stop + bar.",
  "forms": [
    {
      "form": "stop bars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "stop bar (plural stop bars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Road transport",
          "orig": "en:Road transport",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
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          ],
          "ref": "1991 July 23, “Traffic Stripes and Pavement Markings”, in Standard Specifications, San Jose, California: City of San José Department of Public Works, archived from the original on 23 Nov 2021, page 84-1:",
          "text": "Stop Bar – Solid 12 inch wide white line.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A transverse road marking indicating the point at which a vehicle must stop."
      ],
      "id": "en-stop_bar-en-noun-7J9oKFjK",
      "links": [
        [
          "transverse",
          "transverse"
        ],
        [
          "stop",
          "stop"
        ]
      ],
      "raw_glosses": [
        "(road transport, US) A transverse road marking indicating the point at which a vehicle must stop."
      ],
      "synonyms": [
        {
          "sense": "transverse road marking",
          "word": "stop line"
        },
        {
          "sense": "transverse road marking",
          "word": "limit line"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "road",
        "transport"
      ],
      "wikipedia": [
        "Stop and yield lines"
      ]
    }
  ],
  "word": "stop bar"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "stop",
        "3": "bar"
      },
      "expansion": "stop + bar",
      "name": "compound"
    }
  ],
  "etymology_text": "From stop + bar.",
  "forms": [
    {
      "form": "stop bars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "stop bar (plural stop bars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
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        "en:Road transport"
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          ],
          "ref": "1991 July 23, “Traffic Stripes and Pavement Markings”, in Standard Specifications, San Jose, California: City of San José Department of Public Works, archived from the original on 23 Nov 2021, page 84-1:",
          "text": "Stop Bar – Solid 12 inch wide white line.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A transverse road marking indicating the point at which a vehicle must stop."
      ],
      "links": [
        [
          "transverse",
          "transverse"
        ],
        [
          "stop",
          "stop"
        ]
      ],
      "raw_glosses": [
        "(road transport, US) A transverse road marking indicating the point at which a vehicle must stop."
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "road",
        "transport"
      ],
      "wikipedia": [
        "Stop and yield lines"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "transverse road marking",
      "word": "stop line"
    },
    {
      "sense": "transverse road marking",
      "word": "limit line"
    }
  ],
  "word": "stop bar"
}