"decimal dozen" meaning in English

{
  "forms": [
    {
      "form": "decimal dozens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "decimal dozen (plural decimal dozens)",
      "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"
        },
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          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Size",
          "orig": "en:Size",
          "parents": [
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Ten",
          "orig": "en:Ten",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ten, a group of ten"
      ],
      "id": "en-decimal_dozen-en-noun-Hr1Z6LOf",
      "links": [
        [
          "ten",
          "ten"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) ten, a group of ten"
      ],
      "related": [
        {
          "word": "baker's dozen"
        },
        {
          "word": "banker's dozen"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-decimal dozen.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/En-au-decimal_dozen.ogg/En-au-decimal_dozen.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c2/En-au-decimal_dozen.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "decimal dozen"
}

{
  "forms": [
    {
      "form": "decimal dozens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "decimal dozen (plural decimal dozens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "baker's dozen"
    },
    {
      "word": "banker's dozen"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "en:Size",
        "en:Ten"
      ],
      "glosses": [
        "ten, a group of ten"
      ],
      "links": [
        [
          "ten",
          "ten"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) ten, a group of ten"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-decimal dozen.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/En-au-decimal_dozen.ogg/En-au-decimal_dozen.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c2/En-au-decimal_dozen.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "decimal dozen"
}