"R" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "",
        "3": "R"
      },
      "expansion": "R (R)",
      "name": "m"
    }
  ],
  "etymology_text": "From the romanization, which begins with R (R).",
  "forms": [
    {
      "form": "R",
      "ruby": [
        [
          "R",
          "れいわ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Reiwa",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper noun",
        "2": "れいわ"
      },
      "expansion": "R(れいわ) • (Reiwa)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "Reiwa",
          "word": "令和"
        }
      ],
      "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 redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of 令和 (Reiwa)."
      ],
      "id": "en-R-ja-name-2bx9-Ize",
      "links": [
        [
          "令和",
          "令和#Japanese"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾe̞ːɰᵝa̠]"
    }
  ],
  "word": "R"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "",
        "3": "R"
      },
      "expansion": "R (R)",
      "name": "m"
    }
  ],
  "etymology_text": "From the romanization, which begins with R (R).",
  "forms": [
    {
      "form": "R",
      "ruby": [
        [
          "R",
          "れいわ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Reiwa",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper noun",
        "2": "れいわ"
      },
      "expansion": "R(れいわ) • (Reiwa)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "Reiwa",
          "word": "令和"
        }
      ],
      "categories": [
        "Japanese abbreviations",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys"
      ],
      "glosses": [
        "Abbreviation of 令和 (Reiwa)."
      ],
      "links": [
        [
          "令和",
          "令和#Japanese"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾe̞ːɰᵝa̠]"
    }
  ],
  "word": "R"
}

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