"mui" meaning in Vietnamien

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vietnamien",
      "orig": "vietnamien",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "paronyms": [
    {
      "word": "mủi"
    },
    {
      "word": "mùi"
    },
    {
      "word": "mũi"
    },
    {
      "word": "múi"
    },
    {
      "word": "mụi"
    }
  ],
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en vietnamien",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "mui thuyền",
          "translation": "Rouf d’une barque"
        }
      ],
      "glosses": [
        "Rouf."
      ],
      "id": "fr-mui-vi-noun-Xh5ualHA"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en vietnamien",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "mui xe",
          "translation": "Capote d’un véhicule;"
        },
        {
          "text": "mui ô-tô",
          "translation": "D’une automobile"
        }
      ],
      "glosses": [
        "Capote; toit."
      ],
      "id": "fr-mui-vi-noun-BlLCR20d"
    },
    {
      "glosses": [
        "Xem quen_mui."
      ],
      "id": "fr-mui-vi-noun-X7YiO1wY"
    }
  ],
  "sounds": [
    {
      "ipa": "\\muʲ˦\\"
    }
  ],
  "word": "mui"
}

{
  "categories": [
    "Noms communs en vietnamien",
    "vietnamien"
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "paronyms": [
    {
      "word": "mủi"
    },
    {
      "word": "mùi"
    },
    {
      "word": "mũi"
    },
    {
      "word": "múi"
    },
    {
      "word": "mụi"
    }
  ],
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en vietnamien"
      ],
      "examples": [
        {
          "text": "mui thuyền",
          "translation": "Rouf d’une barque"
        }
      ],
      "glosses": [
        "Rouf."
      ]
    },
    {
      "categories": [
        "Exemples en vietnamien"
      ],
      "examples": [
        {
          "text": "mui xe",
          "translation": "Capote d’un véhicule;"
        },
        {
          "text": "mui ô-tô",
          "translation": "D’une automobile"
        }
      ],
      "glosses": [
        "Capote; toit."
      ]
    },
    {
      "glosses": [
        "Xem quen_mui."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\muʲ˦\\"
    }
  ],
  "word": "mui"
}