"mf" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "adverb"
      },
      "expansion": "mf",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Musical symbols",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Music",
          "orig": "mul:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "3 3 94",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "1 2 96",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "mezzo forte (quite loud)."
      ],
      "id": "en-mf-mul-adv-ibg6kRpw",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "mezzo forte",
          "mezzo forte"
        ]
      ],
      "raw_glosses": [
        "(music) mezzo forte (quite loud)."
      ],
      "related": [
        {
          "word": "f"
        },
        {
          "word": "mp"
        }
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "mf"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "English words without vowels",
    "Pages with 2 entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "adverb"
      },
      "expansion": "mf",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "adv",
  "related": [
    {
      "word": "f"
    },
    {
      "word": "mp"
    }
  ],
  "senses": [
    {
      "categories": [
        "Musical symbols",
        "Pages with 2 entries",
        "Translingual adverbs",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "mul:Music"
      ],
      "glosses": [
        "mezzo forte (quite loud)."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "mezzo forte",
          "mezzo forte"
        ]
      ],
      "raw_glosses": [
        "(music) mezzo forte (quite loud)."
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "mf"
}