ring-fence

ring-fence (third-person singular simple present ring-fences, present participle ring-fencing, simple past and past participle ring-fenced)

1. Alternative form of ringfence.
   • 2019 November 6, “Network News”, in Rail, page 22:

     It also wants to ring-fence NR's [Network Rail's] future funding for the East Coast Main Line improvements in Control Period 7.

• “ring-fence” in Lexico, Dictionary.com; Oxford University Press.

• refencing