"曰" meaning in Japanese

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "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": [
        "say"
      ],
      "id": "en-曰-ja-character-oLln~GAT",
      "links": [
        [
          "say",
          "say"
        ]
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "曰"
}

{
  "categories": [
    "CJKV radicals"
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Japanese Han characters",
        "Japanese kanji with goon reading おち",
        "Japanese kanji with historical goon reading をち",
        "Japanese kanji with historical kan'on reading ゑつ",
        "Japanese kanji with historical kun reading い-ふ",
        "Japanese kanji with historical kun reading いは-く",
        "Japanese kanji with historical kun reading のたう-ぶ",
        "Japanese kanji with historical kun reading のたま-はす",
        "Japanese kanji with historical kun reading のたま-ふ",
        "Japanese kanji with historical kun reading のたまは-く",
        "Japanese kanji with kan'on reading えつ",
        "Japanese kanji with kun reading い-う",
        "Japanese kanji with kun reading いわ-く",
        "Japanese kanji with kun reading のた-ばく",
        "Japanese kanji with kun reading のたま-う",
        "Japanese kanji with kun reading のたま-わす",
        "Japanese kanji with kun reading のたまわ-く",
        "Japanese kanji with kun reading のたも-う",
        "Japanese kanji with kun reading のとう-ぶ",
        "Japanese terms spelled with 曰",
        "Japanese terms with non-redundant manual transliterations",
        "Japanese terms with redundant transliterations",
        "Uncommon kanji"
      ],
      "glosses": [
        "say"
      ],
      "links": [
        [
          "say",
          "say"
        ]
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "曰"
}