"substub" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "stub"
      },
      "expansion": "sub- + stub",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + stub",
  "forms": [
    {
      "form": "substubs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "substub (plural substubs)",
      "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 sub-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Typography",
          "orig": "en:Typography",
          "parents": [
            "Printing",
            "Writing",
            "Industries",
            "Human behaviour",
            "Language",
            "Business",
            "Human",
            "Communication",
            "Economics",
            "Society",
            "All topics",
            "Social sciences",
            "Fundamental",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1992, Joel P. Bowman, Bernadine P. Branchaw, “Special techniques: headings, lists, and tables”, in How to Write Proposals that Produce, Greenwood, page 97",
          "text": "The first column on the left is the stub column. Its heading is referred to as the stub head. A stub is a title for a row of (horizontal) data. Should a stub column contain substubs, then the substubs are indented two or three spaces to show that they are subordinate to the stub item.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A subheading below a stub (stub head) in a table; a stub subordinate to another stub."
      ],
      "id": "en-substub-en-noun-abdNtnIo",
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "subheading",
          "subheading"
        ],
        [
          "stub",
          "stub#English:_typography"
        ],
        [
          "table",
          "table"
        ]
      ],
      "raw_glosses": [
        "(typography, in tabular matter) A subheading below a stub (stub head) in a table; a stub subordinate to another stub."
      ],
      "raw_tags": [
        "in tabular matter"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "word": "substub"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "stub"
      },
      "expansion": "sub- + stub",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + stub",
  "forms": [
    {
      "form": "substubs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "substub (plural substubs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with sub-",
        "English terms with quotations",
        "en:Typography"
      ],
      "examples": [
        {
          "ref": "1992, Joel P. Bowman, Bernadine P. Branchaw, “Special techniques: headings, lists, and tables”, in How to Write Proposals that Produce, Greenwood, page 97",
          "text": "The first column on the left is the stub column. Its heading is referred to as the stub head. A stub is a title for a row of (horizontal) data. Should a stub column contain substubs, then the substubs are indented two or three spaces to show that they are subordinate to the stub item.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A subheading below a stub (stub head) in a table; a stub subordinate to another stub."
      ],
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "subheading",
          "subheading"
        ],
        [
          "stub",
          "stub#English:_typography"
        ],
        [
          "table",
          "table"
        ]
      ],
      "raw_glosses": [
        "(typography, in tabular matter) A subheading below a stub (stub head) in a table; a stub subordinate to another stub."
      ],
      "raw_tags": [
        "in tabular matter"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "word": "substub"
}