"piel roja" meaning in Spanish

{
  "forms": [
    {
      "form": "pieles rojas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "piel roja m or f by sense (plural pieles rojas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish masculine and feminine nouns by sense",
          "parents": [
            "Masculine and feminine nouns by sense",
            "Nouns by gender",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "redskin"
      ],
      "id": "en-piel_roja-es-noun-u4et-Kp4",
      "links": [
        [
          "redskin",
          "redskin"
        ]
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine"
      ]
    }
  ],
  "word": "piel roja"
}

{
  "forms": [
    {
      "form": "pieles rojas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "piel roja m or f by sense (plural pieles rojas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish masculine and feminine nouns by sense",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with multiple genders",
        "Spanish nouns with red links in their headword lines"
      ],
      "glosses": [
        "redskin"
      ],
      "links": [
        [
          "redskin",
          "redskin"
        ]
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine"
      ]
    }
  ],
  "word": "piel roja"
}