"E-day" meaning in English

{
  "etymology_text": "E(uro) + day, on the pattern of D-Day",
  "head_templates": [
    {
      "args": {},
      "expansion": "E-day",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "_dis1": "0 0",
      "word": "Eurozone"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The day on which the euro became the official currency in much of Europe — 1st January 2002."
      ],
      "id": "en-E-day-en-name-sItZfvB6",
      "links": [
        [
          "day",
          "day"
        ],
        [
          "euro",
          "euro"
        ],
        [
          "currency",
          "currency"
        ],
        [
          "Europe",
          "Europe"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Election Day."
      ],
      "id": "en-E-day-en-name-cuByrj5C",
      "links": [
        [
          "Election Day",
          "Election Day"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "ēʹdā",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈiːdeɪ/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "enpr": "ēʹdā'",
      "tags": [
        "US"
      ]
    },
    {
      "enpr": "iʹdā'",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/ˈiˌdeɪ/",
      "tags": [
        "US"
      ]
    },
    {
      "rhymes": "-iːdeɪ"
    }
  ],
  "word": "E-day"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English proper nouns",
    "English uncountable nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:English/iːdeɪ",
    "Rhymes:English/iːdeɪ/2 syllables"
  ],
  "etymology_text": "E(uro) + day, on the pattern of D-Day",
  "head_templates": [
    {
      "args": {},
      "expansion": "E-day",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Eurozone"
    }
  ],
  "senses": [
    {
      "glosses": [
        "The day on which the euro became the official currency in much of Europe — 1st January 2002."
      ],
      "links": [
        [
          "day",
          "day"
        ],
        [
          "euro",
          "euro"
        ],
        [
          "currency",
          "currency"
        ],
        [
          "Europe",
          "Europe"
        ]
      ]
    },
    {
      "glosses": [
        "Election Day."
      ],
      "links": [
        [
          "Election Day",
          "Election Day"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "ēʹdā",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈiːdeɪ/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "enpr": "ēʹdā'",
      "tags": [
        "US"
      ]
    },
    {
      "enpr": "iʹdā'",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/ˈiˌdeɪ/",
      "tags": [
        "US"
      ]
    },
    {
      "rhymes": "-iːdeɪ"
    }
  ],
  "word": "E-day"
}