Expurgate, shorten (7)
I believe the answer is:
abridge
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">expurgate</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">shorten</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for abridge that I've seen before include "Make shorter in brigade" , "Shorten by using fewer words" , "Edit down" , "Reduce the length of" , "Shorten (eg, text)" .)