Restrict, limit (12)
I believe the answer is:
circumscribe
This clue is a double definition.
'restrict' is the first definition.
(thesaurus)
'limit' is the second definition.
(synonyms)
(Other definitions for circumscribe that I've seen before include "Restrict, limit" , "Restrict; draw round" , "Confine within limited range" , "put in enclosed space" .)