"OMM" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "Organizzazione meteorologica mondiale"
      },
      "expansion": "Initialism of Organizzazione meteorologica mondiale",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Organizzazione meteorologica mondiale.",
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "OMM f",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "it",
          "name": "Organizations",
          "orig": "it:Organizations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "it",
          "name": "Weather",
          "orig": "it:Weather",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "WMO (World Meteorological Organization)"
      ],
      "holonyms": [
        {
          "word": "ONU"
        }
      ],
      "id": "en-OMM-it-name-O6sgdVgE",
      "links": [
        [
          "WMO",
          "WMO"
        ],
        [
          "World Meteorological Organization",
          "w:World Meteorological Organization"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "it:Organizzazione meteorologica mondiale"
      ]
    }
  ],
  "word": "OMM"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "Organizzazione meteorologica mondiale"
      },
      "expansion": "Initialism of Organizzazione meteorologica mondiale",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Organizzazione meteorologica mondiale.",
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "OMM f",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian feminine nouns",
        "Italian initialisms",
        "Italian lemmas",
        "Italian links with redundant alt parameters",
        "Italian links with redundant wikilinks",
        "Italian proper nouns",
        "Italian uncountable proper nouns",
        "Pages with 5 entries",
        "Pages with entries",
        "it:Organizations",
        "it:Weather"
      ],
      "glosses": [
        "WMO (World Meteorological Organization)"
      ],
      "holonyms": [
        {
          "word": "ONU"
        }
      ],
      "links": [
        [
          "WMO",
          "WMO"
        ],
        [
          "World Meteorological Organization",
          "w:World Meteorological Organization"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "it:Organizzazione meteorologica mondiale"
      ]
    }
  ],
  "word": "OMM"
}