"ラ変" meaning in Japanese

{
  "forms": [
    {
      "form": "ラ変",
      "ruby": [
        [
          "変",
          "へん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ra-hen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ら-へん"
      },
      "expansion": "ラ変(へん) • (ra-hen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(ra-gyō henkaku katsuyō): r-irregular conjugation",
          "word": "ラ行変格活用"
        }
      ],
      "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 1 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Grammar",
          "orig": "ja:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Clipping of ラ行変格活用 (ra-gyō henkaku katsuyō): r-irregular conjugation"
      ],
      "id": "en-ラ変-ja-noun-jiTL75gq",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "ラ行変格活用",
          "ラ行変格活用#Japanese"
        ],
        [
          "irregular",
          "irregular"
        ],
        [
          "conjugation",
          "conjugation"
        ]
      ],
      "raw_glosses": [
        "(grammar) Clipping of ラ行変格活用 (ra-gyō henkaku katsuyō): r-irregular conjugation"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "ラ変"
}

{
  "forms": [
    {
      "form": "ラ変",
      "ruby": [
        [
          "変",
          "へん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ra-hen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ら-へん"
      },
      "expansion": "ラ変(へん) • (ra-hen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(ra-gyō henkaku katsuyō): r-irregular conjugation",
          "word": "ラ行変格活用"
        }
      ],
      "categories": [
        "Japanese clippings",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms with 1 kanji",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Grammar"
      ],
      "glosses": [
        "Clipping of ラ行変格活用 (ra-gyō henkaku katsuyō): r-irregular conjugation"
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "ラ行変格活用",
          "ラ行変格活用#Japanese"
        ],
        [
          "irregular",
          "irregular"
        ],
        [
          "conjugation",
          "conjugation"
        ]
      ],
      "raw_glosses": [
        "(grammar) Clipping of ラ行変格活用 (ra-gyō henkaku katsuyō): r-irregular conjugation"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "ラ変"
}

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