"deciday" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "deci",
        "3": "day"
      },
      "expansion": "deci- + day",
      "name": "prefix"
    }
  ],
  "etymology_text": "From deci- + day.",
  "forms": [
    {
      "form": "decidays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "deciday (plural decidays)",
      "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": "English terms prefixed with deci-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "One tenth of one day, i.e. 2.4 hours, proposed for use in metric systems of time."
      ],
      "id": "en-deciday-en-noun-AAi2C5mb",
      "links": [
        [
          "tenth",
          "tenth"
        ],
        [
          "day",
          "day"
        ],
        [
          "hour",
          "hour"
        ],
        [
          "metric",
          "metric"
        ]
      ],
      "related": [
        {
          "word": "centiday"
        }
      ]
    }
  ],
  "word": "deciday"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "deci",
        "3": "day"
      },
      "expansion": "deci- + day",
      "name": "prefix"
    }
  ],
  "etymology_text": "From deci- + day.",
  "forms": [
    {
      "form": "decidays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "deciday (plural decidays)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "centiday"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with deci-",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "One tenth of one day, i.e. 2.4 hours, proposed for use in metric systems of time."
      ],
      "links": [
        [
          "tenth",
          "tenth"
        ],
        [
          "day",
          "day"
        ],
        [
          "hour",
          "hour"
        ],
        [
          "metric",
          "metric"
        ]
      ]
    }
  ],
  "word": "deciday"
}