Русско-англо-русский юридический словарь

Financial market transactions include interbank overnight borrowings, bank large value certificates of deposit, government debt securities, enterprise equity and (short and long-term) debt securities, as well as a whole host of futures, options, and other derivative instruments related to money market securities, foreign exchange, and commodities. All transactions in financial markets have to be cleared and settled, just like transactions that occur among enterprises or between enterprises and consumers. (worldbank.org)

"interbank loan. A loan between banking institutions, with terms ranging from overnight to one week. Interbank loans are facilitated to cover liquidity requirements set by a regulatory agency. In instances where a bank has a shortage of liquid assets, it borrows from other banks whose liquid assets are in excess than that required. ()

The official bank rate (also called the Bank of England base rate[1] or BOEBR) is the interest rate that the Bank of England charges Banks for secured overnight lending. It is the British Government's key interest rate for enacting monetary policy.[2] It is more analogous to the US discount rate than to the Federal funds rate. (Wikipedia)

They kept me in custody overnight. (Longman Dictionary of Contemporary English)