"11M" meaning in All languages combined

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        "1": "es",
        "2": "proper nouns",
        "g": "m",
        "g2": "",
        "g3": "",
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      "expansion": "11M m",
      "name": "head"
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    {
      "args": {
        "1": "m"
      },
      "expansion": "11M m",
      "name": "es-proper noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish numeronyms",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "99 1",
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          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "topical",
          "langcode": "es",
          "name": "Historical events",
          "orig": "es:Historical events",
          "parents": [
            "History",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the date of the terrorist attack on 4 trains in Madrid, Spain, March 11th, 2004"
      ],
      "id": "en-11M-es-name-TFl9PwOz",
      "raw_glosses": [
        "(numeronym) the date of the terrorist attack on 4 trains in Madrid, Spain, March 11th, 2004"
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish metonyms",
          "parents": [],
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        }
      ],
      "glosses": [
        "the attack itself"
      ],
      "id": "en-11M-es-name-XggVEPkj",
      "raw_glosses": [
        "(metonymically) the attack itself"
      ],
      "tags": [
        "masculine",
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      ]
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  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "11-M"
    }
  ],
  "wikipedia": [
    "es:11M"
  ],
  "word": "11M"
}

{
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    "Spanish masculine nouns",
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    "Spanish terms spelled with numbers",
    "es:Historical events"
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      "expansion": "11M m",
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  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Spanish numeronyms"
      ],
      "glosses": [
        "the date of the terrorist attack on 4 trains in Madrid, Spain, March 11th, 2004"
      ],
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        "(numeronym) the date of the terrorist attack on 4 trains in Madrid, Spain, March 11th, 2004"
      ],
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      "categories": [
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      "glosses": [
        "the attack itself"
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        "(metonymically) the attack itself"
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  "synonyms": [
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      "word": "11-M"
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  "word": "11M"
}