"contra-argumento" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "contra-",
        "3": "argumento",
        "t1": "counter-"
      },
      "expansion": "contra- (“counter-”) + argumento",
      "name": "af"
    }
  ],
  "etymology_text": "contra- (“counter-”) + argumento",
  "forms": [
    {
      "form": "contra-argumentos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "contra-argumento m (plural contra-argumentos)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese terms prefixed with contra-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "counterargument"
      ],
      "id": "en-contra-argumento-pt-noun-l9pY3eML",
      "links": [
        [
          "counterargument",
          "counterargument"
        ]
      ],
      "related": [
        {
          "word": "contra-argumentar"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "contra-argumento"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "contra-",
        "3": "argumento",
        "t1": "counter-"
      },
      "expansion": "contra- (“counter-”) + argumento",
      "name": "af"
    }
  ],
  "etymology_text": "contra- (“counter-”) + argumento",
  "forms": [
    {
      "form": "contra-argumentos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "contra-argumento m (plural contra-argumentos)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "related": [
    {
      "word": "contra-argumentar"
    }
  ],
  "senses": [
    {
      "categories": [
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese masculine nouns",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with red links in their headword lines",
        "Portuguese terms prefixed with contra-"
      ],
      "glosses": [
        "counterargument"
      ],
      "links": [
        [
          "counterargument",
          "counterargument"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "contra-argumento"
}