"White Sunday" meaning in English

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        "3": "Dominica in Albīs"
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      "args": {
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        "2": "Whitsunday"
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      "expansion": "Doublet of Whitsunday",
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  "etymology_text": "From Ecclesiastical Latin Dominica in Albīs, itself a contraction of Dominica in Albīs dēpōnendīs or dēpositīs, “Sunday for putting away the white things”, i.e. the white robe of baptism traditionally received by those newly baptised at Easter. Doublet of Whitsunday.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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      "glosses": [
        "The Sunday following Easter."
      ],
      "id": "en-White_Sunday-en-name-47IOV4Mz",
      "links": [
        [
          "Sunday",
          "Sunday"
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        [
          "Easter",
          "Easter"
        ]
      ],
      "raw_glosses": [
        "(ecclesiastical) The Sunday following Easter."
      ],
      "synonyms": [
        {
          "word": "Alb Sunday"
        },
        {
          "topics": [
            "Roman-Catholicism",
            "Catholicism",
            "Christianity"
          ],
          "word": "Divine Mercy Sunday"
        },
        {
          "word": "Low Sunday"
        },
        {
          "word": "Quasimodo"
        }
      ],
      "topics": [
        "ecclesiastical",
        "lifestyle",
        "religion"
      ]
    }
  ],
  "word": "White Sunday"
}

{
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    {
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        "1": "en",
        "2": "EL.",
        "3": "Dominica in Albīs"
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      "expansion": "Ecclesiastical Latin Dominica in Albīs",
      "name": "der"
    },
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        "2": "Whitsunday"
      },
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  ],
  "etymology_text": "From Ecclesiastical Latin Dominica in Albīs, itself a contraction of Dominica in Albīs dēpōnendīs or dēpositīs, “Sunday for putting away the white things”, i.e. the white robe of baptism traditionally received by those newly baptised at Easter. Doublet of Whitsunday.",
  "head_templates": [
    {
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  "lang_code": "en",
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      "glosses": [
        "The Sunday following Easter."
      ],
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          "Sunday",
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      ],
      "raw_glosses": [
        "(ecclesiastical) The Sunday following Easter."
      ],
      "topics": [
        "ecclesiastical",
        "lifestyle",
        "religion"
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    }
  ],
  "synonyms": [
    {
      "word": "Alb Sunday"
    },
    {
      "topics": [
        "Roman-Catholicism",
        "Catholicism",
        "Christianity"
      ],
      "word": "Divine Mercy Sunday"
    },
    {
      "word": "Low Sunday"
    },
    {
      "word": "Quasimodo"
    }
  ],
  "word": "White Sunday"
}