"slab city" meaning in English

{
  "forms": [
    {
      "form": "slab cities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slab city (plural slab cities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An area surrounding a sawmill in American frontier times, where slabs of cut wood were stored or discarded."
      ],
      "id": "en-slab_city-en-noun-~pkMa0wu",
      "links": [
        [
          "sawmill",
          "sawmill"
        ]
      ],
      "raw_glosses": [
        "(US, historical) An area surrounding a sawmill in American frontier times, where slabs of cut wood were stored or discarded."
      ],
      "tags": [
        "US",
        "historical"
      ]
    }
  ],
  "word": "slab city"
}

{
  "forms": [
    {
      "form": "slab cities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slab city (plural slab cities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An area surrounding a sawmill in American frontier times, where slabs of cut wood were stored or discarded."
      ],
      "links": [
        [
          "sawmill",
          "sawmill"
        ]
      ],
      "raw_glosses": [
        "(US, historical) An area surrounding a sawmill in American frontier times, where slabs of cut wood were stored or discarded."
      ],
      "tags": [
        "US",
        "historical"
      ]
    }
  ],
  "word": "slab city"
}