"長音符" meaning in Japanese

{
  "forms": [
    {
      "form": "長音符",
      "ruby": [
        [
          "長",
          "ちょう"
        ],
        [
          "音",
          "おん"
        ],
        [
          "符",
          "ぷ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "chōonpu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ちょうおんぷ"
      },
      "expansion": "長(ちょう)音(おん)符(ぷ) • (chōonpu)",
      "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 wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "the long-vowel mark (ー), which marks a long vowel in katakana (and less commonly in hiragana) when placed after a syllable"
      ],
      "id": "en-長音符-ja-noun-TaOME0Qg",
      "links": [
        [
          "long-vowel mark",
          "long-vowel mark"
        ],
        [
          "ー",
          "ー#Japanese"
        ],
        [
          "katakana",
          "katakana"
        ],
        [
          "hiragana",
          "hiragana"
        ]
      ],
      "synonyms": [
        {
          "roman": "chōonfugō",
          "ruby": [
            [
              "長音符号",
              "ちょうおんふごう"
            ]
          ],
          "word": "長音符号"
        },
        {
          "roman": "onbiki",
          "ruby": [
            [
              "音引",
              "おんび"
            ]
          ],
          "word": "音引き"
        },
        {
          "roman": "bōbiki",
          "ruby": [
            [
              "棒引",
              "ぼうび"
            ]
          ],
          "word": "棒引き"
        },
        {
          "roman": "nobashibō",
          "ruby": [
            [
              "伸",
              "の"
            ],
            [
              "棒",
              "ぼう"
            ]
          ],
          "tags": [
            "informal"
          ],
          "word": "伸ばし棒"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "ちょーおんぷ"
    },
    {
      "ipa": "[t͡ɕo̞ːõ̞mpɯ̟]"
    }
  ],
  "word": "長音符"
}

{
  "forms": [
    {
      "form": "長音符",
      "ruby": [
        [
          "長",
          "ちょう"
        ],
        [
          "音",
          "おん"
        ],
        [
          "符",
          "ぷ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "chōonpu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ちょうおんぷ"
      },
      "expansion": "長(ちょう)音(おん)符(ぷ) • (chōonpu)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "the long-vowel mark (ー), which marks a long vowel in katakana (and less commonly in hiragana) when placed after a syllable"
      ],
      "links": [
        [
          "long-vowel mark",
          "long-vowel mark"
        ],
        [
          "ー",
          "ー#Japanese"
        ],
        [
          "katakana",
          "katakana"
        ],
        [
          "hiragana",
          "hiragana"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ちょーおんぷ"
    },
    {
      "ipa": "[t͡ɕo̞ːõ̞mpɯ̟]"
    }
  ],
  "synonyms": [
    {
      "roman": "chōonfugō",
      "ruby": [
        [
          "長音符号",
          "ちょうおんふごう"
        ]
      ],
      "word": "長音符号"
    },
    {
      "roman": "onbiki",
      "ruby": [
        [
          "音引",
          "おんび"
        ]
      ],
      "word": "音引き"
    },
    {
      "roman": "bōbiki",
      "ruby": [
        [
          "棒引",
          "ぼうび"
        ]
      ],
      "word": "棒引き"
    },
    {
      "roman": "nobashibō",
      "ruby": [
        [
          "伸",
          "の"
        ],
        [
          "棒",
          "ぼう"
        ]
      ],
      "tags": [
        "informal"
      ],
      "word": "伸ばし棒"
    }
  ],
  "word": "長音符"
}

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