"three-eighths" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "three-eighths (uncountable)",
      "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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          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "name": "English fractional numbers",
          "parents": [
            "Fractional numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "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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      ],
      "glosses": [
        "Three of eight equal parts (⅜, 0.375)."
      ],
      "id": "en-three-eighths-en-noun-1jppYOYE",
      "links": [
        [
          "⅜",
          "⅜"
        ]
      ],
      "related": [
        {
          "word": "fraction"
        }
      ],
      "synonyms": [
        {
          "word": "three eighths"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "three-eighths"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "three-eighths (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "fraction"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English fractional numbers",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns"
      ],
      "glosses": [
        "Three of eight equal parts (⅜, 0.375)."
      ],
      "links": [
        [
          "⅜",
          "⅜"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "three eighths"
    }
  ],
  "word": "three-eighths"
}