"蒽" meaning in Japanese

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Uncommon kanji",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a kind of grass"
      ],
      "id": "en-蒽-ja-character-rZ5VzgP1",
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "蒽"
}

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Japanese Han characters",
        "Japanese kanji with goon reading おん",
        "Japanese kanji with kan'on reading おん",
        "Japanese terms with redundant transliterations",
        "Uncommon kanji"
      ],
      "glosses": [
        "a kind of grass"
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "蒽"
}