Baker's dozen (8)
I believe the answer is:
thirteen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">baker's dozen</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for thirteen that I've seen before include "Number considered unlucky" , "Supper attendees" , "Half of what's left [26D]" , "13" , "this could be unlucky" .)