"TOB" meaning in English

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      "expansion": "TOB (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "the most competitively priced level on each side of an order book",
          "word": "top of book"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of top of book, the most competitively priced level on each side of an order book."
      ],
      "id": "en-TOB-en-noun-eGb8dWTk",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "top of book",
          "top of book#English"
        ],
        [
          "order book",
          "order book"
        ]
      ],
      "raw_glosses": [
        "(finance) Abbreviation of top of book, the most competitively priced level on each side of an order book."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "uncountable"
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "TOB"
}

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      "expansion": "TOB (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "the most competitively priced level on each side of an order book",
          "word": "top of book"
        }
      ],
      "categories": [
        "English abbreviations",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "en:Finance"
      ],
      "glosses": [
        "Abbreviation of top of book, the most competitively priced level on each side of an order book."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "top of book",
          "top of book#English"
        ],
        [
          "order book",
          "order book"
        ]
      ],
      "raw_glosses": [
        "(finance) Abbreviation of top of book, the most competitively priced level on each side of an order book."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "uncountable"
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "TOB"
}