"X-mas" meaning in All languages combined

{
  "forms": [
    {
      "form": "X-mases",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "X-mas (plural X-mases)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Xmas"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Christmas",
          "orig": "en:Christmas",
          "parents": [
            "Christianity",
            "Holidays",
            "Abrahamism",
            "Observances",
            "Religion",
            "Calendar",
            "Culture",
            "Timekeeping",
            "Society",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of Xmas"
      ],
      "id": "en-X-mas-en-noun-IfjMSalr",
      "links": [
        [
          "Xmas",
          "Xmas#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "X-mas"
}

{
  "forms": [
    {
      "form": "X-mases",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "X-mas (plural X-mases)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Xmas"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Christmas"
      ],
      "glosses": [
        "Alternative form of Xmas"
      ],
      "links": [
        [
          "Xmas",
          "Xmas#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "X-mas"
}