telephone bank1
noun
USAn array of telephones used by an organization, company, etc., for receiving customer calls, canvassing opinion, political campaigning, etc.
Origin
1940s; earliest use found in The Washington Post. From telephone + bank.
telephone bank2
noun
British FinanceA bank which (usually primarily or solely) offers telephone banking.
Origin
1980s; earliest use found in Computerworld. From telephone + bank, after telephone banking.
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