"Johnson bar" meaning in English

{
  "etymology_text": "The reinforcing bar was invented by A. L. Johnson of the St. Louis Expanded Metal Company.",
  "forms": [
    {
      "form": "Johnson bars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Johnson bar (plural Johnson bars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A corrugated metal bar used to reinforce concrete."
      ],
      "id": "en-Johnson_bar-en-noun-MKeUrnUh",
      "links": [
        [
          "corrugated",
          "corrugated"
        ],
        [
          "metal",
          "metal"
        ],
        [
          "bar",
          "bar"
        ],
        [
          "reinforce",
          "reinforce"
        ],
        [
          "concrete",
          "concrete"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "12 74 14",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "16 72 13",
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "18 69 13",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A hand lever on various vehicles."
      ],
      "id": "en-Johnson_bar-en-noun-pC8Ol5wc",
      "links": [
        [
          "hand",
          "hand"
        ],
        [
          "lever",
          "lever"
        ],
        [
          "vehicle",
          "vehicle"
        ]
      ]
    },
    {
      "glosses": [
        "A lever-dolly (similar to a crowbar) for moving heavy apparatus."
      ],
      "id": "en-Johnson_bar-en-noun-DdJthEJs",
      "links": [
        [
          "crowbar",
          "crowbar"
        ],
        [
          "heavy",
          "heavy"
        ],
        [
          "apparatus",
          "apparatus"
        ]
      ]
    }
  ],
  "wikipedia": [
    "Johnson bar"
  ],
  "word": "Johnson bar"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with language name categories using raw markup",
    "English eponyms",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys"
  ],
  "etymology_text": "The reinforcing bar was invented by A. L. Johnson of the St. Louis Expanded Metal Company.",
  "forms": [
    {
      "form": "Johnson bars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Johnson bar (plural Johnson bars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A corrugated metal bar used to reinforce concrete."
      ],
      "links": [
        [
          "corrugated",
          "corrugated"
        ],
        [
          "metal",
          "metal"
        ],
        [
          "bar",
          "bar"
        ],
        [
          "reinforce",
          "reinforce"
        ],
        [
          "concrete",
          "concrete"
        ]
      ]
    },
    {
      "glosses": [
        "A hand lever on various vehicles."
      ],
      "links": [
        [
          "hand",
          "hand"
        ],
        [
          "lever",
          "lever"
        ],
        [
          "vehicle",
          "vehicle"
        ]
      ]
    },
    {
      "glosses": [
        "A lever-dolly (similar to a crowbar) for moving heavy apparatus."
      ],
      "links": [
        [
          "crowbar",
          "crowbar"
        ],
        [
          "heavy",
          "heavy"
        ],
        [
          "apparatus",
          "apparatus"
        ]
      ]
    }
  ],
  "wikipedia": [
    "Johnson bar"
  ],
  "word": "Johnson bar"
}