"m²" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "Symbool",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "WikiWoordenboek:Wikilink",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Woorden in het universeel taalgebruik",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Universeel taalgebruik",
  "lang_code": "unknown",
  "pos": "symbol",
  "pos_title": "Symbool",
  "related": [
    {
      "word": "m"
    },
    {
      "word": "m³"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Eenheid_in_het_universeel taalgebruik",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiskunde_in_het_universeel taalgebruik",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "symbool voor vierkante meter, gelijk aan één bij één meter."
      ],
      "id": "nl-m²-unknown-symbol-rqwDGDS9",
      "topics": [
        "mathematics",
        "units-of-measure"
      ]
    }
  ],
  "word": "m²"
}

{
  "categories": [
    "Symbool",
    "WikiWoordenboek:Wikilink",
    "Woorden in het universeel taalgebruik"
  ],
  "lang": "Universeel taalgebruik",
  "lang_code": "unknown",
  "pos": "symbol",
  "pos_title": "Symbool",
  "related": [
    {
      "word": "m"
    },
    {
      "word": "m³"
    }
  ],
  "senses": [
    {
      "categories": [
        "Eenheid_in_het_universeel taalgebruik",
        "Wiskunde_in_het_universeel taalgebruik"
      ],
      "glosses": [
        "symbool voor vierkante meter, gelijk aan één bij één meter."
      ],
      "topics": [
        "mathematics",
        "units-of-measure"
      ]
    }
  ],
  "word": "m²"
}