"Collop Monday" meaning in English

{
  "etymology_text": "Collops (“sliced bacon”) and eggs were traditionally eaten on this day.",
  "forms": [
    {
      "form": "Collop Mondays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Collop Monday"
      },
      "expansion": "Collop Monday (plural Collop Mondays)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Midlands English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Calendar",
          "orig": "en:Calendar",
          "parents": [
            "Timekeeping",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The day before Shrove Tuesday."
      ],
      "id": "en-Collop_Monday-en-noun-S7Dkdnsz",
      "links": [
        [
          "Shrove Tuesday",
          "Shrove Tuesday"
        ]
      ],
      "qualifier": "northern and east Midlands",
      "raw_glosses": [
        "(England, northern and east Midlands, now chiefly historical) The day before Shrove Tuesday."
      ],
      "related": [
        {
          "word": "Ash Wednesday"
        },
        {
          "word": "Lent"
        }
      ],
      "tags": [
        "England",
        "historical"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "day before Shrove Tuesday",
          "tags": [
            "masculine"
          ],
          "word": "Rosenmontag"
        }
      ]
    }
  ],
  "word": "Collop Monday"
}

{
  "etymology_text": "Collops (“sliced bacon”) and eggs were traditionally eaten on this day.",
  "forms": [
    {
      "form": "Collop Mondays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Collop Monday"
      },
      "expansion": "Collop Monday (plural Collop Mondays)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Ash Wednesday"
    },
    {
      "word": "Lent"
    }
  ],
  "senses": [
    {
      "categories": [
        "English English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "Entries with translation boxes",
        "Midlands English",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with German translations",
        "en:Calendar"
      ],
      "glosses": [
        "The day before Shrove Tuesday."
      ],
      "links": [
        [
          "Shrove Tuesday",
          "Shrove Tuesday"
        ]
      ],
      "qualifier": "northern and east Midlands",
      "raw_glosses": [
        "(England, northern and east Midlands, now chiefly historical) The day before Shrove Tuesday."
      ],
      "tags": [
        "England",
        "historical"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "day before Shrove Tuesday",
      "tags": [
        "masculine"
      ],
      "word": "Rosenmontag"
    }
  ],
  "word": "Collop Monday"
}