Bursts, breaks (5)
I believe the answer is:
busts
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">bursts</span>' is the first definition.<br/ ><span class="explanation-format__explanation">('bust' can be a synonym of 'burst')</span><br/ ><br/ >'<span class="explanation-format__original">breaks</span>' is the second definition.<br/ ><span class="explanation-format__explanation">('bust' can be a synonym of 'break')</span><br/ ><br/ ></span>
(Another definition for busts that I've seen is " Bosoms".)