wire off

verb3

1. •
   To separate or close off by installing a wire barricade or fence, as around the perimeter.

   • It was worthless land on the north edge of the chalk country, and he got a large tract of it, which he wired off. — 1929
2. •
   (old-fashioned) To send (a message) by wire.
3. •
   To separate and remove (a form) from a mass of clay using a cutting wire.