"chá preto" meaning in Portuguese

{
  "forms": [
    {
      "form": "chás pretos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-",
        "pl2": "+"
      },
      "expansion": "chá preto m (usually uncountable, plural chás pretos)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Tea",
          "orig": "pt:Tea",
          "parents": [
            "Beverages",
            "Drinking",
            "Food and drink",
            "Liquids",
            "Human behaviour",
            "All topics",
            "Matter",
            "Human",
            "Fundamental",
            "Chemistry",
            "Nature",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black tea (tea leaves which have been oxidised)"
      ],
      "id": "en-chá_preto-pt-noun-NOjKKllK",
      "links": [
        [
          "black tea",
          "black tea"
        ]
      ],
      "tags": [
        "masculine",
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "chá preto"
}

{
  "forms": [
    {
      "form": "chás pretos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-",
        "pl2": "+"
      },
      "expansion": "chá preto m (usually uncountable, plural chás pretos)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese masculine nouns",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese uncountable nouns",
        "pt:Tea"
      ],
      "glosses": [
        "black tea (tea leaves which have been oxidised)"
      ],
      "links": [
        [
          "black tea",
          "black tea"
        ]
      ],
      "tags": [
        "masculine",
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "chá preto"
}