"前口上" meaning in Japanese

{
  "forms": [
    {
      "form": "前口上",
      "ruby": [
        [
          "前",
          "まえ"
        ],
        [
          "口",
          "こう"
        ],
        [
          "上",
          "じょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "maekōjō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "mafekouzyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "まへこうじやう",
      "roman": "mafekouzyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "まえこうじょう",
        "hhira": "まへこうじやう"
      },
      "expansion": "前(まえ)口(こう)上(じょう) • (maekōjō) ^(←まへこうじやう (mafekouzyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "preliminary statements; introductory remarks; prologue"
      ],
      "id": "en-前口上-ja-noun-o4C2sl4K",
      "links": [
        [
          "preliminary",
          "preliminary"
        ],
        [
          "statement",
          "statement"
        ],
        [
          "introductory",
          "introductory"
        ],
        [
          "remark",
          "remark"
        ],
        [
          "prologue",
          "prologue"
        ]
      ],
      "synonyms": [
        {
          "roman": "maeoki",
          "ruby": [
            [
              "前",
              "まえ"
            ],
            [
              "置",
              "お"
            ]
          ],
          "word": "前置き"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "まえこーじょー"
    },
    {
      "ipa": "[ma̠e̞ko̞ːʑo̞ː]"
    }
  ],
  "word": "前口上"
}

{
  "forms": [
    {
      "form": "前口上",
      "ruby": [
        [
          "前",
          "まえ"
        ],
        [
          "口",
          "こう"
        ],
        [
          "上",
          "じょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "maekōjō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "mafekouzyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "まへこうじやう",
      "roman": "mafekouzyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "まえこうじょう",
        "hhira": "まへこうじやう"
      },
      "expansion": "前(まえ)口(こう)上(じょう) • (maekōjō) ^(←まへこうじやう (mafekouzyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters"
      ],
      "glosses": [
        "preliminary statements; introductory remarks; prologue"
      ],
      "links": [
        [
          "preliminary",
          "preliminary"
        ],
        [
          "statement",
          "statement"
        ],
        [
          "introductory",
          "introductory"
        ],
        [
          "remark",
          "remark"
        ],
        [
          "prologue",
          "prologue"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "まえこーじょー"
    },
    {
      "ipa": "[ma̠e̞ko̞ːʑo̞ː]"
    }
  ],
  "synonyms": [
    {
      "roman": "maeoki",
      "ruby": [
        [
          "前",
          "まえ"
        ],
        [
          "置",
          "お"
        ]
      ],
      "word": "前置き"
    }
  ],
  "word": "前口上"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "前口上"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "前口上",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "前口上"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "前口上",
  "trace": ""
}