"Oxford comma" meaning in English

{
  "etymology_text": "From Oxford University Press, where such use is the house style.",
  "forms": [
    {
      "form": "Oxford commas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Oxford comma (plural Oxford 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"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
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            "Entry maintenance"
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          "source": "w"
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          "kind": "other",
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          "parents": [
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          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
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          "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"
        }
      ],
      "examples": [
        {
          "ref": "2002 [1978], Peter Sutcliffe, “Making the Press what it ought to be”, in The Oxford University Press, Clarendon Press, page 114",
          "text": "It was Collins who invented the ‘Oxford comma’, for which he obtained supported from Herbert Spencer.",
          "type": "quotation"
        },
        {
          "ref": "2008, “Oxford Comma”, in Vampire Weekend, performed by Vampire Weekend",
          "text": "Who gives a fuck about an Oxford comma? / I've seen those English dramas too; they're cruel / So if there's any other way to spell the word / It's fine with me, with me",
          "type": "quotation"
        },
        {
          "ref": "2020 January 27, Alison Flood, “Philip Pullman calls for boycott of Brexit 50p coin over 'missing' Oxford comma”, in The Guardian",
          "text": "It is a debate that has torn the nation in two, ripped friends and family apart, and entrenched deep and uncrossable lines throughout the land. Should the Royal Mint have used an Oxford comma on its Brexit 50p piece?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The serial comma."
      ],
      "id": "en-Oxford_comma-en-noun-eFDsojTQ",
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "serial comma",
          "serial comma"
        ]
      ],
      "raw_glosses": [
        "(typography) The serial comma."
      ],
      "synonyms": [
        {
          "english": "UK & US",
          "word": "serial comma"
        },
        {
          "tags": [
            "US"
          ],
          "word": "Harvard comma"
        }
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-us-Oxford comma.oga",
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      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1d/En-us-Oxford_comma.oga",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "Oxford comma"
}

{
  "etymology_text": "From Oxford University Press, where such use is the house style.",
  "forms": [
    {
      "form": "Oxford commas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Oxford comma (plural Oxford commas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from toponyms",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "en:Punctuation marks",
        "en:Typography"
      ],
      "examples": [
        {
          "ref": "2002 [1978], Peter Sutcliffe, “Making the Press what it ought to be”, in The Oxford University Press, Clarendon Press, page 114",
          "text": "It was Collins who invented the ‘Oxford comma’, for which he obtained supported from Herbert Spencer.",
          "type": "quotation"
        },
        {
          "ref": "2008, “Oxford Comma”, in Vampire Weekend, performed by Vampire Weekend",
          "text": "Who gives a fuck about an Oxford comma? / I've seen those English dramas too; they're cruel / So if there's any other way to spell the word / It's fine with me, with me",
          "type": "quotation"
        },
        {
          "ref": "2020 January 27, Alison Flood, “Philip Pullman calls for boycott of Brexit 50p coin over 'missing' Oxford comma”, in The Guardian",
          "text": "It is a debate that has torn the nation in two, ripped friends and family apart, and entrenched deep and uncrossable lines throughout the land. Should the Royal Mint have used an Oxford comma on its Brexit 50p piece?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The serial comma."
      ],
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "serial comma",
          "serial comma"
        ]
      ],
      "raw_glosses": [
        "(typography) The serial comma."
      ],
      "synonyms": [
        {
          "english": "UK & US",
          "word": "serial comma"
        },
        {
          "tags": [
            "US"
          ],
          "word": "Harvard comma"
        }
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-us-Oxford comma.oga",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1d/En-us-Oxford_comma.oga/En-us-Oxford_comma.oga.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1d/En-us-Oxford_comma.oga",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "Oxford comma"
}