client account

noun [C]

Definition

› BANKING a bank account that a person, business, or organization keeps for a customer in order to keep the customer's money separate from their own: Solicitors have a duty to account to their clients for interest earned by placing such monies in a solicitor's client account.

› MARKETING a customer who regularly buys advertising from an advertising agency: The agency was threatened with the loss of an important client account.

(Definition of client account noun from the Cambridge Business English Dictionary © Cambridge University Press)