ringfence

Noun

 * 1) A fence which encircles a large area, or a whole estate, within one enclosure.

Verb

 * 1)  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.
 * 2)  To specify that funds may only be used for a specific purpose, especially government funds.
 * 3)  To require workers to remain in (particular types of work), as during wartime.

Translations

 * Russian:  ( определённой цели) (rezervírovatʼ srédstva (dljá opredeljónnoj céli))