Noun
lender of last resort (plural lenders of last resort)
(finance) The institution in a financial system that acts as the provider of liquidity to a financial institution that finds itself unable to obtain sufficient liquidity in the interbank lending market and has exhausted other possible sources.
Synonym: (initialism) LOLR
lender-of-last-resort
Lender of last resort In the United States, the Federal Reserve serves as the lender of last resort to those institutions that cannot obtain credit elsewhere and the collapse of which would have serious implications for the economy. Source: Internet