"camisa negra" meaning in Spanish

{
  "forms": [
    {
      "form": "camisas negras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "camisa negra m or f by sense (plural camisas negras)",
      "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"
        },
        {
          "kind": "other",
          "name": "Spanish nouns with irregular gender",
          "parents": [
            "Nouns with irregular gender",
            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "blackshirt"
      ],
      "id": "en-camisa_negra-es-noun-YLQxphXn",
      "links": [
        [
          "blackshirt",
          "blackshirt"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) blackshirt"
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "idiomatic",
        "masculine"
      ]
    }
  ],
  "word": "camisa negra"
}

{
  "forms": [
    {
      "form": "camisas negras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "camisa negra m or f by sense (plural camisas negras)",
      "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 idioms",
        "Spanish lemmas",
        "Spanish masculine and feminine nouns by sense",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with irregular gender",
        "Spanish nouns with multiple genders"
      ],
      "glosses": [
        "blackshirt"
      ],
      "links": [
        [
          "blackshirt",
          "blackshirt"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) blackshirt"
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "idiomatic",
        "masculine"
      ]
    }
  ],
  "word": "camisa negra"
}