"mu" meaning in Spanish

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "es"
      },
      "expansion": "Onomatopoeic",
      "name": "onomatopoeic"
    }
  ],
  "etymology_text": "Onomatopoeic.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "interjection"
      },
      "expansion": "mu",
      "name": "head"
    }
  ],
  "hyphenation": [
    "mu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish onomatopoeias",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 68 16",
          "kind": "topical",
          "langcode": "es",
          "name": "Animal sounds",
          "orig": "es:Animal sounds",
          "parents": [
            "Sounds",
            "Vocalizations",
            "Sound",
            "Communication",
            "Energy",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "ni mu"
        },
        {
          "word": "no decir ni mu"
        }
      ],
      "glosses": [
        "moo (sound of a cow)"
      ],
      "id": "en-mu-es-intj-7g3c51vZ",
      "links": [
        [
          "moo",
          "moo"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmu/"
    },
    {
      "ipa": "[ˈmu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "mu"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "múes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "múes"
      },
      "expansion": "mu f (plural múes)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "mu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "mu, the Greek letter Μ, μ",
          "word": "mi"
        }
      ],
      "categories": [
        {
          "_dis": "52 5 43",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Misspelling of mi. (mu, the Greek letter Μ, μ)"
      ],
      "id": "en-mu-es-noun-~Y8F2aRX",
      "links": [
        [
          "mi",
          "mi#Spanish"
        ],
        [
          "mu",
          "mu#English"
        ],
        [
          "Μ",
          "Μ#English"
        ],
        [
          "μ",
          "μ#English"
        ]
      ],
      "tags": [
        "alt-of",
        "feminine",
        "misspelling"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmu/"
    },
    {
      "ipa": "[ˈmu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "mu"
}

{
  "etymology_number": 3,
  "head_templates": [
    {
      "args": {},
      "expansion": "mu",
      "name": "es-adv"
    }
  ],
  "hyphenation": [
    "mu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "muy"
        }
      ],
      "categories": [
        {
          "_dis": "52 5 43",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Clipping of muy."
      ],
      "id": "en-mu-es-adv-feqfXZy8",
      "links": [
        [
          "muy",
          "muy#Spanish"
        ]
      ],
      "raw_glosses": [
        "(slang) Clipping of muy."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmu/"
    },
    {
      "ipa": "[ˈmu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "mu"
}

{
  "categories": [
    "Pages with 42 entries",
    "Pages with entries",
    "Rhymes:Spanish/u",
    "Rhymes:Spanish/u/1 syllable",
    "Spanish 1-syllable words",
    "Spanish adverbs",
    "Spanish entries with incorrect language header",
    "Spanish interjections",
    "Spanish lemmas",
    "Spanish onomatopoeias",
    "Spanish terms with IPA pronunciation",
    "es:Animal sounds"
  ],
  "derived": [
    {
      "word": "ni mu"
    },
    {
      "word": "no decir ni mu"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "es"
      },
      "expansion": "Onomatopoeic",
      "name": "onomatopoeic"
    }
  ],
  "etymology_text": "Onomatopoeic.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "interjection"
      },
      "expansion": "mu",
      "name": "head"
    }
  ],
  "hyphenation": [
    "mu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "moo (sound of a cow)"
      ],
      "links": [
        [
          "moo",
          "moo"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmu/"
    },
    {
      "ipa": "[ˈmu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "mu"
}

{
  "categories": [
    "Pages with 42 entries",
    "Pages with entries",
    "Rhymes:Spanish/u",
    "Rhymes:Spanish/u/1 syllable",
    "Spanish 1-syllable words",
    "Spanish adverbs",
    "Spanish countable nouns",
    "Spanish entries with incorrect language header",
    "Spanish feminine nouns",
    "Spanish lemmas",
    "Spanish nouns",
    "Spanish terms with IPA pronunciation",
    "es:Animal sounds"
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "múes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "múes"
      },
      "expansion": "mu f (plural múes)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "mu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "mu, the Greek letter Μ, μ",
          "word": "mi"
        }
      ],
      "categories": [
        "Spanish misspellings"
      ],
      "glosses": [
        "Misspelling of mi. (mu, the Greek letter Μ, μ)"
      ],
      "links": [
        [
          "mi",
          "mi#Spanish"
        ],
        [
          "mu",
          "mu#English"
        ],
        [
          "Μ",
          "Μ#English"
        ],
        [
          "μ",
          "μ#English"
        ]
      ],
      "tags": [
        "alt-of",
        "feminine",
        "misspelling"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmu/"
    },
    {
      "ipa": "[ˈmu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "mu"
}

{
  "categories": [
    "Pages with 42 entries",
    "Pages with entries",
    "Rhymes:Spanish/u",
    "Rhymes:Spanish/u/1 syllable",
    "Spanish 1-syllable words",
    "Spanish adverbs",
    "Spanish entries with incorrect language header",
    "Spanish lemmas",
    "Spanish terms with IPA pronunciation",
    "es:Animal sounds"
  ],
  "etymology_number": 3,
  "head_templates": [
    {
      "args": {},
      "expansion": "mu",
      "name": "es-adv"
    }
  ],
  "hyphenation": [
    "mu"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "word": "muy"
        }
      ],
      "categories": [
        "Spanish clippings",
        "Spanish slang"
      ],
      "glosses": [
        "Clipping of muy."
      ],
      "links": [
        [
          "muy",
          "muy#Spanish"
        ]
      ],
      "raw_glosses": [
        "(slang) Clipping of muy."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmu/"
    },
    {
      "ipa": "[ˈmu]"
    },
    {
      "rhymes": "-u"
    }
  ],
  "word": "mu"
}