"unbleached American" meaning in English

{
  "forms": [
    {
      "form": "unbleached Americans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unbleached American (plural unbleached Americans)",
      "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": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "quoted in 1994, Howard N. Rabinowitz, Race, Ethnicity, and Urbanization: Selected Essays (page 211)",
          "text": "For nearly three years Raleigh has been to the great mobs of unbleached Americans in the western and contiguous counties of this state what Mecca is to the followers of Mohamet […]"
        }
      ],
      "glosses": [
        "A black American."
      ],
      "id": "en-unbleached_American-en-noun-pjHg11F3",
      "links": [
        [
          "black",
          "black"
        ],
        [
          "American",
          "American"
        ]
      ],
      "raw_glosses": [
        "(slang, archaic, US) A black American."
      ],
      "tags": [
        "US",
        "archaic",
        "slang"
      ]
    }
  ],
  "word": "unbleached American"
}

{
  "forms": [
    {
      "form": "unbleached Americans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unbleached American (plural unbleached Americans)",
      "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 slang",
        "English terms with archaic senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "quoted in 1994, Howard N. Rabinowitz, Race, Ethnicity, and Urbanization: Selected Essays (page 211)",
          "text": "For nearly three years Raleigh has been to the great mobs of unbleached Americans in the western and contiguous counties of this state what Mecca is to the followers of Mohamet […]"
        }
      ],
      "glosses": [
        "A black American."
      ],
      "links": [
        [
          "black",
          "black"
        ],
        [
          "American",
          "American"
        ]
      ],
      "raw_glosses": [
        "(slang, archaic, US) A black American."
      ],
      "tags": [
        "US",
        "archaic",
        "slang"
      ]
    }
  ],
  "word": "unbleached American"
}