"small coal" meaning in English

{
  "forms": [
    {
      "form": "small coals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "small coal (countable and uncountable, plural small coals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "1646, Thomas Browne, Pseudodoxia Epidemica, II.5",
          "text": "We first declare, that Gunpowder consisteth of three ingredients, Saltpetre, Small-coal, and Brimstone.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Charcoal."
      ],
      "id": "en-small_coal-en-noun-5DW~izmr",
      "links": [
        [
          "Charcoal",
          "charcoal"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Charcoal."
      ],
      "tags": [
        "countable",
        "obsolete",
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Small fragments of coal; slack."
      ],
      "id": "en-small_coal-en-noun-zSBHkLIB",
      "links": [
        [
          "coal",
          "coal"
        ],
        [
          "slack",
          "slack"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "small coal"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns"
  ],
  "forms": [
    {
      "form": "small coals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "small coal (countable and uncountable, plural small coals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with obsolete senses",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1646, Thomas Browne, Pseudodoxia Epidemica, II.5",
          "text": "We first declare, that Gunpowder consisteth of three ingredients, Saltpetre, Small-coal, and Brimstone.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Charcoal."
      ],
      "links": [
        [
          "Charcoal",
          "charcoal"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Charcoal."
      ],
      "tags": [
        "countable",
        "obsolete",
        "uncountable"
      ]
    },
    {
      "glosses": [
        "Small fragments of coal; slack."
      ],
      "links": [
        [
          "coal",
          "coal"
        ],
        [
          "slack",
          "slack"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "small coal"
}