"back answer" meaning in English

{
  "forms": [
    {
      "form": "back answers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back answer (plural back answers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "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": "1901, William Henley, Bus-driver:",
          "text": "He’s called The General from the brazen craft\nAnd dash with which he sneaks a bit of road\nAnd all its fares; challenged, or chafed, or chaffed,\nBack-answers of the newest he’ll explode;",
          "type": "quote"
        }
      ],
      "glosses": [
        "A sharp reply given to someone."
      ],
      "id": "en-back_answer-en-noun--lG3o7FM",
      "synonyms": [
        {
          "word": "retort"
        }
      ]
    }
  ],
  "word": "back answer"
}

{
  "forms": [
    {
      "form": "back answers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back answer (plural back answers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1901, William Henley, Bus-driver:",
          "text": "He’s called The General from the brazen craft\nAnd dash with which he sneaks a bit of road\nAnd all its fares; challenged, or chafed, or chaffed,\nBack-answers of the newest he’ll explode;",
          "type": "quote"
        }
      ],
      "glosses": [
        "A sharp reply given to someone."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "retort"
    }
  ],
  "word": "back answer"
}