Synonyms:
- bound,
- circle in,
- circumscribe,
- cordon,
- cordon off,
- define,
- delimit,
- delimitate,
- demarcate,
- determine,
- enclose,
- fix,
- isolate,
- lay off,
- mark boundaries,
- mark off,
- mark out,
- mark the periphery,
- quarantine,
- seal off,
- seclude,
- segregate,
- separate,
- set the limit,
- specify,
- stake out,
- surround