"фр" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "франк"
      },
      "expansion": "Abbreviation of франк (frank)",
      "name": "abbrev"
    }
  ],
  "etymology_text": "Abbreviation of франк (frank).",
  "forms": [
    {
      "form": "fr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "m-in",
        "3": "-"
      },
      "expansion": "фр • (fr) m inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Currency",
          "orig": "ru:Currency",
          "parents": [
            "Money",
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Fr, franc"
      ],
      "id": "en-фр-ru-noun-99g5iaxa",
      "links": [
        [
          "Fr",
          "Fr"
        ],
        [
          "franc",
          "franc"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    }
  ],
  "word": "фр"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "франк"
      },
      "expansion": "Abbreviation of франк (frank)",
      "name": "abbrev"
    }
  ],
  "etymology_text": "Abbreviation of франк (frank).",
  "forms": [
    {
      "form": "fr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "m-in",
        "3": "-"
      },
      "expansion": "фр • (fr) m inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Russian abbreviations",
        "Russian entries with incorrect language header",
        "Russian inanimate nouns",
        "Russian indeclinable nouns",
        "Russian lemmas",
        "Russian masculine nouns",
        "Russian nouns",
        "Russian terms with redundant head parameter",
        "ru:Currency"
      ],
      "glosses": [
        "Fr, franc"
      ],
      "links": [
        [
          "Fr",
          "Fr"
        ],
        [
          "franc",
          "franc"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    }
  ],
  "word": "фр"
}