"Sf" meaning in All languages combined

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sixty-fourth"
      },
      "expansion": "sixty-fourth",
      "name": "m"
    }
  ],
  "etymology_text": "Abbreviation of sixty-fourth",
  "forms": [
    {
      "form": "Sfs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Sf (plural Sfs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Book sizes",
          "orig": "en:Book sizes",
          "parents": [
            "Publishing",
            "Industries",
            "Mass media",
            "Business",
            "Culture",
            "Media",
            "Economics",
            "Society",
            "Communication",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Four",
          "orig": "en:Four",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Paper sizes",
          "orig": "en:Paper sizes",
          "parents": [
            "Paper",
            "Materials",
            "Manufacturing",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sixty",
          "orig": "en:Sixty",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a book size one sixty-fourth of the size of a standard uncut sheet of paper (less 7.5 cm (3\") in height)"
      ],
      "id": "en-Sf-en-noun-QodXPzf2",
      "synonyms": [
        {
          "sense": "book size",
          "word": "64mo"
        },
        {
          "sense": "book size",
          "word": "sixty-fourmo"
        },
        {
          "sense": "book size",
          "word": "sexagesimo-quarto"
        },
        {
          "sense": "book size",
          "word": "64º"
        }
      ]
    }
  ],
  "word": "Sf"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sixty-fourth"
      },
      "expansion": "sixty-fourth",
      "name": "m"
    }
  ],
  "etymology_text": "Abbreviation of sixty-fourth",
  "forms": [
    {
      "form": "Sfs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Sf (plural Sfs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English words without vowels",
        "en:Book sizes",
        "en:Four",
        "en:Paper sizes",
        "en:Sixty"
      ],
      "glosses": [
        "a book size one sixty-fourth of the size of a standard uncut sheet of paper (less 7.5 cm (3\") in height)"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "book size",
      "word": "64mo"
    },
    {
      "sense": "book size",
      "word": "sixty-fourmo"
    },
    {
      "sense": "book size",
      "word": "sexagesimo-quarto"
    },
    {
      "sense": "book size",
      "word": "64º"
    }
  ],
  "word": "Sf"
}