"MU" meaning in English

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {},
      "expansion": "MU",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a province of Indonesia",
          "word": "North Maluku"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "_dis": "51 9 17 23",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "41 7 12 40",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 8 14 32",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Abbreviation of North Maluku, a province of Indonesia."
      ],
      "id": "en-MU-en-name-FlXlkfhm",
      "links": [
        [
          "North Maluku",
          "North Maluku#English"
        ],
        [
          "Indonesia",
          "Indonesia"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "MU"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mutual understanding"
      },
      "expansion": "Initialism of mutual understanding",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of mutual understanding",
  "forms": [
    {
      "form": "MUs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "MU (plural MUs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Philippine English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Relationship where two people like each other and are mutually aware of it, but have yet to have an official romantic relationship; situationship."
      ],
      "id": "en-MU-en-noun-tenkgOj0",
      "links": [
        [
          "Relationship",
          "relationship"
        ],
        [
          "people",
          "people"
        ],
        [
          "mutually",
          "mutually"
        ],
        [
          "aware",
          "aware"
        ],
        [
          "official",
          "official"
        ],
        [
          "romantic",
          "romantic"
        ],
        [
          "relationship",
          "relationship"
        ],
        [
          "situationship",
          "situationship"
        ]
      ],
      "raw_glosses": [
        "(Philippines) Relationship where two people like each other and are mutually aware of it, but have yet to have an official romantic relationship; situationship."
      ],
      "tags": [
        "Philippines"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Philippine English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "41 7 12 40",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Person with which one has such a relationship."
      ],
      "id": "en-MU-en-noun-6lU519Z4",
      "links": [
        [
          "Person",
          "person"
        ]
      ],
      "raw_glosses": [
        "(Philippines) Person with which one has such a relationship."
      ],
      "tags": [
        "Philippines"
      ]
    }
  ],
  "word": "MU"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English initialisms",
    "English lemmas",
    "English nouns",
    "English proper nouns",
    "English uncountable nouns",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {},
      "expansion": "MU",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a province of Indonesia",
          "word": "North Maluku"
        }
      ],
      "categories": [
        "English abbreviations",
        "English links with redundant wikilinks"
      ],
      "glosses": [
        "Abbreviation of North Maluku, a province of Indonesia."
      ],
      "links": [
        [
          "North Maluku",
          "North Maluku#English"
        ],
        [
          "Indonesia",
          "Indonesia"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "MU"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English initialisms",
    "English lemmas",
    "English nouns",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mutual understanding"
      },
      "expansion": "Initialism of mutual understanding",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of mutual understanding",
  "forms": [
    {
      "form": "MUs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "MU (plural MUs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Philippine English"
      ],
      "glosses": [
        "Relationship where two people like each other and are mutually aware of it, but have yet to have an official romantic relationship; situationship."
      ],
      "links": [
        [
          "Relationship",
          "relationship"
        ],
        [
          "people",
          "people"
        ],
        [
          "mutually",
          "mutually"
        ],
        [
          "aware",
          "aware"
        ],
        [
          "official",
          "official"
        ],
        [
          "romantic",
          "romantic"
        ],
        [
          "relationship",
          "relationship"
        ],
        [
          "situationship",
          "situationship"
        ]
      ],
      "raw_glosses": [
        "(Philippines) Relationship where two people like each other and are mutually aware of it, but have yet to have an official romantic relationship; situationship."
      ],
      "tags": [
        "Philippines"
      ]
    },
    {
      "categories": [
        "Philippine English"
      ],
      "glosses": [
        "Person with which one has such a relationship."
      ],
      "links": [
        [
          "Person",
          "person"
        ]
      ],
      "raw_glosses": [
        "(Philippines) Person with which one has such a relationship."
      ],
      "tags": [
        "Philippines"
      ]
    }
  ],
  "word": "MU"
}