"subtransaction" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "transaction"
      },
      "expansion": "sub- + transaction",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + transaction",
  "forms": [
    {
      "form": "subtransactions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subtransaction (plural subtransactions)",
      "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": "Databases",
          "orig": "en:Databases",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A transaction making up part of a larger transaction."
      ],
      "id": "en-subtransaction-en-noun-xAMcgb8x",
      "links": [
        [
          "database",
          "database"
        ],
        [
          "transaction",
          "transaction"
        ]
      ],
      "raw_glosses": [
        "(databases) A transaction making up part of a larger transaction."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "subtransaction"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "transaction"
      },
      "expansion": "sub- + transaction",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + transaction",
  "forms": [
    {
      "form": "subtransactions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subtransaction (plural subtransactions)",
      "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-",
        "en:Databases"
      ],
      "glosses": [
        "A transaction making up part of a larger transaction."
      ],
      "links": [
        [
          "database",
          "database"
        ],
        [
          "transaction",
          "transaction"
        ]
      ],
      "raw_glosses": [
        "(databases) A transaction making up part of a larger transaction."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "subtransaction"
}