"scratch comma" meaning in English

{
  "etymology_text": "From its appearance.",
  "forms": [
    {
      "form": "scratch commas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "scratch comma (plural scratch commas)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Punctuation marks",
          "orig": "en:Punctuation marks",
          "parents": [
            "Letters, symbols, and punctuation",
            "Symbols",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Typography",
          "orig": "en:Typography",
          "parents": [
            "Printing",
            "Writing",
            "Industries",
            "Human behaviour",
            "Language",
            "Business",
            "Human",
            "Communication",
            "Economics",
            "Society",
            "All topics",
            "Social sciences",
            "Fundamental",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of slash ⟨ / ⟩ in its former use as a form of comma."
      ],
      "id": "en-scratch_comma-en-noun-7m15d0kj",
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "slash",
          "slash#English"
        ],
        [
          "/",
          "/"
        ],
        [
          "its",
          "its"
        ],
        [
          "former",
          "former"
        ],
        [
          "use",
          "use"
        ],
        [
          "form",
          "form"
        ],
        [
          "comma",
          "comma"
        ]
      ],
      "raw_glosses": [
        "(typography, historical) Synonym of slash ⟨ / ⟩ in its former use as a form of comma."
      ],
      "synonyms": [
        {
          "extra": "comma",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "slash in its former use as a form of comma"
        },
        {
          "word": "slash"
        },
        {
          "word": "scratch-comma"
        }
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ],
      "wikipedia": [
        "scratch comma"
      ]
    }
  ],
  "word": "scratch comma"
}

{
  "etymology_text": "From its appearance.",
  "forms": [
    {
      "form": "scratch commas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "scratch comma (plural scratch commas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Punctuation marks",
        "en:Typography"
      ],
      "glosses": [
        "Synonym of slash ⟨ / ⟩ in its former use as a form of comma."
      ],
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "slash",
          "slash#English"
        ],
        [
          "/",
          "/"
        ],
        [
          "its",
          "its"
        ],
        [
          "former",
          "former"
        ],
        [
          "use",
          "use"
        ],
        [
          "form",
          "form"
        ],
        [
          "comma",
          "comma"
        ]
      ],
      "raw_glosses": [
        "(typography, historical) Synonym of slash ⟨ / ⟩ in its former use as a form of comma."
      ],
      "synonyms": [
        {
          "extra": "comma",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "slash in its former use as a form of comma"
        }
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ],
      "wikipedia": [
        "scratch comma"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "slash"
    },
    {
      "word": "scratch-comma"
    }
  ],
  "word": "scratch comma"
}