"MUA" meaning in English

{
  "forms": [
    {
      "form": "MUAs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "MUA (plural MUAs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "make-up artist"
        }
      ],
      "categories": [],
      "glosses": [
        "Initialism of make-up artist."
      ],
      "id": "en-MUA-en-noun-l69fkeXI",
      "links": [
        [
          "make-up artist",
          "make-up artist#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    },
    {
      "alt_of": [
        {
          "word": "mail user agent"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "1 99",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "3 97",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 98",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2011, Evi Nemeth et al., UNIX and Linux System Administration Handbook, Pearson Education, →ISBN, page 744:",
          "text": "A “mail user agent” (MUA or UA) that lets users read and compose mail[.]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Initialism of mail user agent."
      ],
      "id": "en-MUA-en-noun-d4c0h2ew",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "mail",
          "mail#English"
        ],
        [
          "user agent",
          "user agent#English"
        ]
      ],
      "raw_glosses": [
        "(computing) Initialism of mail user agent."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "MUA"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "MUAs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "MUA (plural MUAs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "make-up artist"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of make-up artist."
      ],
      "links": [
        [
          "make-up artist",
          "make-up artist#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    },
    {
      "alt_of": [
        {
          "word": "mail user agent"
        }
      ],
      "categories": [
        "English initialisms",
        "English terms with quotations",
        "en:Computing"
      ],
      "examples": [
        {
          "ref": "2011, Evi Nemeth et al., UNIX and Linux System Administration Handbook, Pearson Education, →ISBN, page 744:",
          "text": "A “mail user agent” (MUA or UA) that lets users read and compose mail[.]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Initialism of mail user agent."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "mail",
          "mail#English"
        ],
        [
          "user agent",
          "user agent#English"
        ]
      ],
      "raw_glosses": [
        "(computing) Initialism of mail user agent."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "MUA"
}