"楽単" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "楽に単位が取れる講%義",
        "2": "らく に たんい が とれる こう%ぎ"
      },
      "expansion": "楽(らく)に単(たん)位(い)が取(と)れる講(こう)義(ぎ) (raku ni tan'i ga toreru kōgi)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "It may come from short of 楽(らく)に単(たん)位(い)が取(と)れる講(こう)義(ぎ) (raku ni tan'i ga toreru kōgi).",
  "forms": [
    {
      "form": "楽単",
      "ruby": [
        [
          "楽",
          "らく"
        ],
        [
          "単",
          "たん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rakutan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "らくたん"
      },
      "expansion": "楽(らく)単(たん) • (rakutan)",
      "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 2 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 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Universities",
          "orig": "ja:Universities",
          "parents": [
            "Schools",
            "Buildings",
            "Education",
            "Buildings and structures",
            "Society",
            "Architecture",
            "All topics",
            "Applied sciences",
            "Art",
            "Fundamental",
            "Sciences",
            "Culture"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "course that be got credit easily"
      ],
      "id": "en-楽単-ja-noun-xKNOZJj-",
      "links": [
        [
          "university",
          "university"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "course",
          "course"
        ],
        [
          "credit",
          "credit"
        ],
        [
          "easily",
          "easily"
        ]
      ],
      "qualifier": "university slang",
      "raw_glosses": [
        "(university slang) course that be got credit easily"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾa̠kɯ̟tã̠ɴ]"
    }
  ],
  "word": "楽単"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "楽に単位が取れる講%義",
        "2": "らく に たんい が とれる こう%ぎ"
      },
      "expansion": "楽(らく)に単(たん)位(い)が取(と)れる講(こう)義(ぎ) (raku ni tan'i ga toreru kōgi)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "It may come from short of 楽(らく)に単(たん)位(い)が取(と)れる講(こう)義(ぎ) (raku ni tan'i ga toreru kōgi).",
  "forms": [
    {
      "form": "楽単",
      "ruby": [
        [
          "楽",
          "らく"
        ],
        [
          "単",
          "たん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rakutan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "らくたん"
      },
      "expansion": "楽(らく)単(たん) • (rakutan)",
      "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 student slang",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Universities"
      ],
      "glosses": [
        "course that be got credit easily"
      ],
      "links": [
        [
          "university",
          "university"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "course",
          "course"
        ],
        [
          "credit",
          "credit"
        ],
        [
          "easily",
          "easily"
        ]
      ],
      "qualifier": "university slang",
      "raw_glosses": [
        "(university slang) course that be got credit easily"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾa̠kɯ̟tã̠ɴ]"
    }
  ],
  "word": "楽単"
}

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