"RVN" meaning in English

{
  "coordinate_terms": [
    {
      "_dis1": "0 0",
      "word": "NV"
    },
    {
      "_dis1": "0 0",
      "word": "VC"
    },
    {
      "_dis1": "0 0",
      "word": "VM"
    },
    {
      "_dis1": "0 0",
      "word": "VN"
    }
  ],
  "derived": [
    {
      "_dis1": "0 0",
      "word": "ARVN"
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "RVN",
      "name": "en-proper-noun"
    }
  ],
  "hyphenation": [
    "ar‧van"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "_dis1": "0 0",
      "word": "DRV"
    },
    {
      "_dis1": "0 0",
      "word": "Nam Việt"
    },
    {
      "_dis1": "0 0",
      "word": "Republic of Viet-Nam"
    },
    {
      "_dis1": "0 0",
      "word": "Republic of Vietnam"
    },
    {
      "_dis1": "0 0",
      "word": "Republic of Viet Nam"
    },
    {
      "_dis1": "0 0",
      "word": "South Viet-Nam"
    },
    {
      "_dis1": "0 0",
      "word": "South Viet Nam"
    },
    {
      "_dis1": "0 0",
      "word": "South Vietnam"
    },
    {
      "_dis1": "0 0",
      "word": "SRV"
    },
    {
      "_dis1": "0 0",
      "word": "SV"
    },
    {
      "_dis1": "0 0",
      "word": "Vietnam"
    },
    {
      "_dis1": "0 0",
      "word": "Viet-Nam"
    },
    {
      "_dis1": "0 0",
      "word": "Viet Nam"
    },
    {
      "_dis1": "0 0",
      "word": "VN"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Synonym of South Vietnam"
      ],
      "id": "en-RVN-en-name-Nd2dKCns",
      "links": [
        [
          "South Vietnam",
          "South Vietnam#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "South Vietnam"
        }
      ]
    },
    {
      "alt_of": [
        {
          "word": "Republic of Viet Nam"
        }
      ],
      "categories": [
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "13 87",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "5 95",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Acronym of Republic of Viet Nam."
      ],
      "id": "en-RVN-en-name-i4yOYpdG",
      "links": [
        [
          "Republic of Viet Nam",
          "Republic of Viet Nam#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "acronym",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɚvæn/"
    }
  ],
  "word": "RVN"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English proper nouns",
    "English uncountable nouns",
    "English words without vowels",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "coordinate_terms": [
    {
      "word": "NV"
    },
    {
      "word": "VC"
    },
    {
      "word": "VM"
    },
    {
      "word": "VN"
    }
  ],
  "derived": [
    {
      "word": "ARVN"
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "RVN",
      "name": "en-proper-noun"
    }
  ],
  "hyphenation": [
    "ar‧van"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "DRV"
    },
    {
      "word": "Nam Việt"
    },
    {
      "word": "Republic of Viet-Nam"
    },
    {
      "word": "Republic of Vietnam"
    },
    {
      "word": "Republic of Viet Nam"
    },
    {
      "word": "South Viet-Nam"
    },
    {
      "word": "South Viet Nam"
    },
    {
      "word": "South Vietnam"
    },
    {
      "word": "SRV"
    },
    {
      "word": "SV"
    },
    {
      "word": "Vietnam"
    },
    {
      "word": "Viet-Nam"
    },
    {
      "word": "Viet Nam"
    },
    {
      "word": "VN"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Synonym of South Vietnam"
      ],
      "links": [
        [
          "South Vietnam",
          "South Vietnam#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "South Vietnam"
        }
      ]
    },
    {
      "alt_of": [
        {
          "word": "Republic of Viet Nam"
        }
      ],
      "categories": [
        "English acronyms"
      ],
      "glosses": [
        "Acronym of Republic of Viet Nam."
      ],
      "links": [
        [
          "Republic of Viet Nam",
          "Republic of Viet Nam#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "acronym",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɚvæn/"
    }
  ],
  "word": "RVN"
}