"universal grinder" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "universal",
        "3": "grinder"
      },
      "expansion": "universal + grinder",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of universal + grinder; first used in print in 1975 by Francis Jeffry Pelletier (see quote below) after the suggestion of philosopher David Lewis.",
  "forms": [
    {
      "form": "universal grinders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "universal grinder (plural universal grinders)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
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          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
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          "source": "w"
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      ],
      "examples": [
        {
          "ref": "1979, Francis Jeffry Pelletier, “Non-singular reference”, in Mass Terms: Some Philosophical Problems, Reidel, pages 5–6",
          "text": "Consider a machine, the \"universal grinder\". [...] The reader has doubtless guessed by now the purpose of our universal grinder: Take an object corresponding to any (apparent) count noun he wishes (e.g. 'man'), put the object in one end of the grinder and ask what is on the floor (answer: 'There is man all over the floor')",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A mechanism whereby countable nouns are made uncountable."
      ],
      "id": "en-universal_grinder-en-noun-OFdrSBP5",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "countable",
          "countable"
        ],
        [
          "uncountable",
          "uncountable"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A mechanism whereby countable nouns are made uncountable."
      ],
      "related": [
        {
          "word": "universal packager"
        },
        {
          "word": "universal sorter"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "universal grinder"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "universal",
        "3": "grinder"
      },
      "expansion": "universal + grinder",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of universal + grinder; first used in print in 1975 by Francis Jeffry Pelletier (see quote below) after the suggestion of philosopher David Lewis.",
  "forms": [
    {
      "form": "universal grinders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "universal grinder (plural universal grinders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "universal packager"
    },
    {
      "word": "universal sorter"
    }
  ],
  "senses": [
    {
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        "English countable nouns",
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        "English terms with quotations",
        "en:Linguistics"
      ],
      "examples": [
        {
          "ref": "1979, Francis Jeffry Pelletier, “Non-singular reference”, in Mass Terms: Some Philosophical Problems, Reidel, pages 5–6",
          "text": "Consider a machine, the \"universal grinder\". [...] The reader has doubtless guessed by now the purpose of our universal grinder: Take an object corresponding to any (apparent) count noun he wishes (e.g. 'man'), put the object in one end of the grinder and ask what is on the floor (answer: 'There is man all over the floor')",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A mechanism whereby countable nouns are made uncountable."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "countable",
          "countable"
        ],
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          "uncountable",
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        ]
      ],
      "raw_glosses": [
        "(linguistics) A mechanism whereby countable nouns are made uncountable."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "universal grinder"
}