Определение ring-fence в Английский Язык Английский Язык словарь
To ring-fence a grant or fund means to put restrictions on it, so that it can only be used for a particular purpose. The Treasury has now agreed to ring-fence the money to ensure that it goes directly towards helping elderly people
to guarantee the safety of funds or investment. In particular, to ensure some degree of distinction for monies, that may provide immunity against untoward financial claims