"vº" meaning in French

{
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "noun"
      },
      "expansion": "vº",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "verso"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of verso."
      ],
      "id": "en-vº-fr-noun-OGYr2H~N",
      "links": [
        [
          "verso",
          "verso#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "vº"
}

{
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "noun"
      },
      "expansion": "vº",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "verso"
        }
      ],
      "categories": [
        "French abbreviations",
        "French entries with incorrect language header",
        "French lemmas",
        "French links with redundant wikilinks",
        "French nouns",
        "French terms spelled with º"
      ],
      "glosses": [
        "Abbreviation of verso."
      ],
      "links": [
        [
          "verso",
          "verso#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "vº"
}