Big Four
colloquial name given to the four main banks in several countries where the banking industry is dominated by just four institutions and where the phrase has thus gained currency
en-GB/ˈbɪɡ ˈfɔː/
en-US/ˈbɪɡ ˈfɔɹ/
colloquial name given to the four main banks in several countries where the banking industry is dominated by just four institutions and where the phrase has thus gained currency