"しでたをさ" meaning in 古典日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "古典日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "古典日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "死出田長",
      "tags": [
        "kanji"
      ]
    }
  ],
  "lang": "古典日本語",
  "lang_code": "ojp",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "examples": [
        {
          "bold_text_offsets": [
            [
              12,
              17
            ]
          ],
          "ref": "（『催馬樂』）",
          "text": "「肱笠の　雨も降らなむ　しでたをさ」"
        }
      ],
      "glosses": [
        "ほととぎすの異名。また、ほととぎすの古語。しでのたをさ。"
      ],
      "id": "ja-しでたをさ-ojp-noun-YkBA4nH5"
    }
  ],
  "word": "しでたをさ"
}

{
  "categories": [
    "古典日本語",
    "古典日本語 名詞"
  ],
  "forms": [
    {
      "form": "死出田長",
      "tags": [
        "kanji"
      ]
    }
  ],
  "lang": "古典日本語",
  "lang_code": "ojp",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "examples": [
        {
          "bold_text_offsets": [
            [
              12,
              17
            ]
          ],
          "ref": "（『催馬樂』）",
          "text": "「肱笠の　雨も降らなむ　しでたをさ」"
        }
      ],
      "glosses": [
        "ほととぎすの異名。また、ほととぎすの古語。しでのたをさ。"
      ]
    }
  ],
  "word": "しでたをさ"
}