Restrict, limit (12)
I believe the answer is:
circumscribe
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">restrict</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">limit</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for circumscribe that I've seen before include "Restrict, limit" , "Restrict; draw round" , "Confine within limited range" , "put in enclosed space" .)