"short bit" meaning in English

{
  "etymology_text": "With the adoption of decimal US currency in 1794, there was no longer a US coin worth one eighth of a dollar, but two bits retained the meaning of one quarter dollar. Because there was no one-bit coin, a dime (10¢) was sometimes called a short bit and 15¢ a long bit.",
  "forms": [
    {
      "form": "short bits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "short bit (plural short bits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        }
      ],
      "coordinate_terms": [
        {
          "word": "long bit"
        }
      ],
      "glosses": [
        "The monetary amount of ten cents."
      ],
      "id": "en-short_bit-en-noun-J~n8NELN",
      "links": [
        [
          "ten",
          "ten"
        ],
        [
          "cent",
          "cent"
        ]
      ],
      "raw_glosses": [
        "(US, historical) The monetary amount of ten cents."
      ],
      "tags": [
        "US",
        "historical"
      ]
    }
  ],
  "word": "short bit"
}

{
  "coordinate_terms": [
    {
      "word": "long bit"
    }
  ],
  "etymology_text": "With the adoption of decimal US currency in 1794, there was no longer a US coin worth one eighth of a dollar, but two bits retained the meaning of one quarter dollar. Because there was no one-bit coin, a dime (10¢) was sometimes called a short bit and 15¢ a long bit.",
  "forms": [
    {
      "form": "short bits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "short bit (plural short bits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "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"
      ],
      "glosses": [
        "The monetary amount of ten cents."
      ],
      "links": [
        [
          "ten",
          "ten"
        ],
        [
          "cent",
          "cent"
        ]
      ],
      "raw_glosses": [
        "(US, historical) The monetary amount of ten cents."
      ],
      "tags": [
        "US",
        "historical"
      ]
    }
  ],
  "word": "short bit"
}