"вм." meaning in Russian

{
  "forms": [
    {
      "form": "vm.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "preposition"
      },
      "expansion": "вм. • (vm.)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "prep",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "vmésto, “instead of”",
          "word": "вме́сто"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian prepositions",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "abbreviation of вме́сто (vmésto, “instead of”)"
      ],
      "id": "en-вм.-ru-prep-SXfl9fkl",
      "links": [
        [
          "вме́сто",
          "вместо#Russian"
        ],
        [
          "instead of",
          "instead of"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "вм."
}

{
  "forms": [
    {
      "form": "vm.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "preposition"
      },
      "expansion": "вм. • (vm.)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "prep",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "vmésto, “instead of”",
          "word": "вме́сто"
        }
      ],
      "categories": [
        "Russian abbreviations",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian prepositions",
        "Russian terms spelled with ."
      ],
      "glosses": [
        "abbreviation of вме́сто (vmésto, “instead of”)"
      ],
      "links": [
        [
          "вме́сто",
          "вместо#Russian"
        ],
        [
          "instead of",
          "instead of"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "вм."
}