"Sunday dinner" meaning in English

{
  "forms": [
    {
      "form": "Sunday dinners",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Sunday dinner (countable and uncountable, plural Sunday dinners)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Meals",
          "orig": "en:Meals",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A family meal, typically of roast meat and vegetables, served at lunchtime on a Sunday (traditionally, after church)."
      ],
      "id": "en-Sunday_dinner-en-noun-8fOxZTIA",
      "links": [
        [
          "family",
          "family"
        ],
        [
          "meal",
          "meal"
        ],
        [
          "roast",
          "roast"
        ],
        [
          "meat",
          "meat"
        ],
        [
          "vegetable",
          "vegetable"
        ],
        [
          "lunchtime",
          "lunchtime"
        ],
        [
          "Sunday",
          "Sunday"
        ]
      ],
      "related": [
        {
          "word": "Christmas dinner"
        },
        {
          "word": "Sunday best"
        },
        {
          "word": "Sunday roast"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "Sunday dinner"
}

{
  "forms": [
    {
      "form": "Sunday dinners",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Sunday dinner (countable and uncountable, plural Sunday dinners)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Christmas dinner"
    },
    {
      "word": "Sunday best"
    },
    {
      "word": "Sunday roast"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Meals"
      ],
      "glosses": [
        "A family meal, typically of roast meat and vegetables, served at lunchtime on a Sunday (traditionally, after church)."
      ],
      "links": [
        [
          "family",
          "family"
        ],
        [
          "meal",
          "meal"
        ],
        [
          "roast",
          "roast"
        ],
        [
          "meat",
          "meat"
        ],
        [
          "vegetable",
          "vegetable"
        ],
        [
          "lunchtime",
          "lunchtime"
        ],
        [
          "Sunday",
          "Sunday"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "Sunday dinner"
}