"⊠" meaning in All languages combined

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "⊞"
      },
      "expansion": "⊞",
      "name": "m"
    },
    {
      "args": {
        "1": "mul",
        "2": "⊟"
      },
      "expansion": "⊟",
      "name": "m"
    },
    {
      "args": {
        "1": "mul",
        "2": "⊡"
      },
      "expansion": "⊡",
      "name": "m"
    }
  ],
  "etymology_text": "Compare ⊞, ⊟, and ⊡.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "⊠",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Functional analysis",
          "orig": "mul:Functional analysis",
          "parents": [
            "Mathematical analysis",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Free multiplicative convolution"
      ],
      "id": "en-⊠-mul-symbol-ztyqtd3U",
      "links": [
        [
          "functional analysis",
          "functional analysis"
        ]
      ],
      "qualifier": "functional analysis",
      "raw_glosses": [
        "(functional analysis) Free multiplicative convolution"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Computing",
          "orig": "mul:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "9 70 22",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "ISO 2047 symbol for Enquiry"
      ],
      "id": "en-⊠-mul-symbol-Ez4X8TLv",
      "links": [
        [
          "computing",
          "computing#Noun"
        ]
      ],
      "raw_glosses": [
        "(computing, dated) ISO 2047 symbol for Enquiry"
      ],
      "tags": [
        "dated"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Electricity",
          "orig": "mul:Electricity",
          "parents": [
            "Electromagnetism",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "control cabinet"
      ],
      "id": "en-⊠-mul-symbol-D-~XeKGg",
      "links": [
        [
          "electricity",
          "electricity"
        ],
        [
          "control",
          "control"
        ],
        [
          "cabinet",
          "cabinet"
        ]
      ],
      "raw_glosses": [
        "(electricity) control cabinet"
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "⊠"
}

{
  "categories": [
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual symbols"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "⊞"
      },
      "expansion": "⊞",
      "name": "m"
    },
    {
      "args": {
        "1": "mul",
        "2": "⊟"
      },
      "expansion": "⊟",
      "name": "m"
    },
    {
      "args": {
        "1": "mul",
        "2": "⊡"
      },
      "expansion": "⊡",
      "name": "m"
    }
  ],
  "etymology_text": "Compare ⊞, ⊟, and ⊡.",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "⊠",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "mul:Functional analysis"
      ],
      "glosses": [
        "Free multiplicative convolution"
      ],
      "links": [
        [
          "functional analysis",
          "functional analysis"
        ]
      ],
      "qualifier": "functional analysis",
      "raw_glosses": [
        "(functional analysis) Free multiplicative convolution"
      ]
    },
    {
      "categories": [
        "Translingual dated terms",
        "mul:Computing"
      ],
      "glosses": [
        "ISO 2047 symbol for Enquiry"
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ]
      ],
      "raw_glosses": [
        "(computing, dated) ISO 2047 symbol for Enquiry"
      ],
      "tags": [
        "dated"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "categories": [
        "mul:Electricity"
      ],
      "glosses": [
        "control cabinet"
      ],
      "links": [
        [
          "electricity",
          "electricity"
        ],
        [
          "control",
          "control"
        ],
        [
          "cabinet",
          "cabinet"
        ]
      ],
      "raw_glosses": [
        "(electricity) control cabinet"
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "⊠"
}