"loa" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "螺",
        "t": "spiral shell"
      },
      "expansion": "螺 (“spiral shell”)",
      "name": "m"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "螺",
        "2": "spiral shell"
      },
      "expansion": "Sino-Vietnamese word from 螺 (“spiral shell”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 螺 (“spiral shell”).",
  "forms": [
    {
      "form": "cái",
      "tags": [
        "classifier"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "loa",
      "name": "head"
    },
    {
      "args": {
        "cls": "cái"
      },
      "expansion": "(classifier cái) loa",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "56 44",
          "kind": "other",
          "name": "Vietnamese nouns classified by cái",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "megaphone (portable device used to amplify a person's voice)"
      ],
      "id": "en-loa-vi-noun--AL-yEvL",
      "links": [
        [
          "megaphone",
          "megaphone"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "speaker; loudspeaker"
      ],
      "id": "en-loa-vi-noun-bbu2INNK",
      "links": [
        [
          "speaker",
          "speaker"
        ],
        [
          "loudspeaker",
          "loudspeaker"
        ]
      ],
      "raw_glosses": [
        "(by extension) speaker; loudspeaker"
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[lwaː˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[lwaː˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[l⁽ʷ⁾aː˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "loa"
}

{
  "categories": [
    "Sino-Vietnamese words",
    "Vietnamese entries with incorrect language header",
    "Vietnamese lemmas",
    "Vietnamese nouns",
    "Vietnamese nouns classified by cái",
    "Vietnamese terms with IPA pronunciation"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "螺",
        "t": "spiral shell"
      },
      "expansion": "螺 (“spiral shell”)",
      "name": "m"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "螺",
        "2": "spiral shell"
      },
      "expansion": "Sino-Vietnamese word from 螺 (“spiral shell”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 螺 (“spiral shell”).",
  "forms": [
    {
      "form": "cái",
      "tags": [
        "classifier"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "loa",
      "name": "head"
    },
    {
      "args": {
        "cls": "cái"
      },
      "expansion": "(classifier cái) loa",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "megaphone (portable device used to amplify a person's voice)"
      ],
      "links": [
        [
          "megaphone",
          "megaphone"
        ]
      ]
    },
    {
      "glosses": [
        "speaker; loudspeaker"
      ],
      "links": [
        [
          "speaker",
          "speaker"
        ],
        [
          "loudspeaker",
          "loudspeaker"
        ]
      ],
      "raw_glosses": [
        "(by extension) speaker; loudspeaker"
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[lwaː˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[lwaː˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[l⁽ʷ⁾aː˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "loa"
}