Bank that offers a broad range of deposit accounts, including checking, savings and time deposits and extends loans to individuals and business. Commercial banks can be contrasted with investment banking firms, such as brokerage firms, which generally are involved in arranging for the sale of corporate or municipal securities. Bloomberg Financial Dictionary
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commercial bank UK US noun [C] BANKING
► a bank with branches in many different places that offers services to people and businesses, for example, keeping money in accounts and lending money: »
After the crash of 1929, commercial banks were barred from doing investment-banking business.
Financial and business terms. 2012.