"rainy day" meaning in Английский

{
  "categories": [
    {
      "kind": "other",
      "name": "Английский язык",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Требуется категоризация/en",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Фразеологизмы/en",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "examples": [
        {
          "author": "Nikolay Gogol",
          "date": "1835—1852",
          "ref": "Nikolay Gogol, «Dead Souls», 1835—1852 г. [НКРЯ]",
          "source": "НКРЯ",
          "text": "That is to say, all that remained to him consisted of ten thousand roubles which he had stored against a rainy day…",
          "title": "Dead Souls",
          "translation": "Удержалось у него тысячонок десяток, запрятанных прочёрный день…"
        }
      ],
      "glosses": [
        "чёрный день"
      ],
      "id": "ru-rainy_day-en-phrase-LZG5cnhQ"
    }
  ],
  "word": "rainy day"
}

{
  "categories": [
    "Английский язык",
    "Требуется категоризация/en",
    "Фразеологизмы/en"
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "examples": [
        {
          "author": "Nikolay Gogol",
          "date": "1835—1852",
          "ref": "Nikolay Gogol, «Dead Souls», 1835—1852 г. [НКРЯ]",
          "source": "НКРЯ",
          "text": "That is to say, all that remained to him consisted of ten thousand roubles which he had stored against a rainy day…",
          "title": "Dead Souls",
          "translation": "Удержалось у него тысячонок десяток, запрятанных прочёрный день…"
        }
      ],
      "glosses": [
        "чёрный день"
      ]
    }
  ],
  "word": "rainy day"
}