"㍜" meaning in Chinese

{
  "etymology_templates": [
    {
      "args": {
        "1": "zh",
        "2": "㍜"
      },
      "expansion": "㍜",
      "name": "lang"
    },
    {
      "args": {
        "1": "zh",
        "2": "表"
      },
      "expansion": "表",
      "name": "lang"
    },
    {
      "args": {
        "1": "zh",
        "2": "标准电码本（修订本）"
      },
      "expansion": "标准电码本（修订本）",
      "name": "lang"
    }
  ],
  "etymology_text": "This telegraph symbol ㍜ became part of Unicode due to its inclusion in Row 15 of GB 8565.2-88 表 A4 (1988), from 9804 of 标准电码本（修订本） (1983). First appears in 1933. See also Chinese telegraph code/Mainland 1983 and Chinese telegraph code.",
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "symbol",
        "3": "hanzi",
        "4": "4点"
      },
      "expansion": "㍜ (hanzi 4点)",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese symbols",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "zh",
          "name": "Telegraphy",
          "orig": "zh:Telegraphy",
          "parents": [
            "Electronics",
            "Telecommunications",
            "Technology",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the fourth hour of the day"
      ],
      "id": "en-㍜-zh-symbol-wKSbifrd",
      "links": [
        [
          "telegraphy",
          "telegraphy"
        ],
        [
          "fourth",
          "fourth"
        ],
        [
          "hour",
          "hour"
        ]
      ],
      "raw_glosses": [
        "(telegraphy) the fourth hour of the day"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telegraphy"
      ],
      "wikipedia": [
        "Chinese telegraph code"
      ]
    }
  ],
  "word": "㍜"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "zh",
        "2": "㍜"
      },
      "expansion": "㍜",
      "name": "lang"
    },
    {
      "args": {
        "1": "zh",
        "2": "表"
      },
      "expansion": "表",
      "name": "lang"
    },
    {
      "args": {
        "1": "zh",
        "2": "标准电码本（修订本）"
      },
      "expansion": "标准电码本（修订本）",
      "name": "lang"
    }
  ],
  "etymology_text": "This telegraph symbol ㍜ became part of Unicode due to its inclusion in Row 15 of GB 8565.2-88 表 A4 (1988), from 9804 of 标准电码本（修订本） (1983). First appears in 1933. See also Chinese telegraph code/Mainland 1983 and Chinese telegraph code.",
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "symbol",
        "3": "hanzi",
        "4": "4点"
      },
      "expansion": "㍜ (hanzi 4点)",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "Chinese entries with incorrect language header",
        "Chinese lemmas",
        "Chinese symbols",
        "zh:Telegraphy"
      ],
      "glosses": [
        "the fourth hour of the day"
      ],
      "links": [
        [
          "telegraphy",
          "telegraphy"
        ],
        [
          "fourth",
          "fourth"
        ],
        [
          "hour",
          "hour"
        ]
      ],
      "raw_glosses": [
        "(telegraphy) the fourth hour of the day"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telegraphy"
      ],
      "wikipedia": [
        "Chinese telegraph code"
      ]
    }
  ],
  "word": "㍜"
}